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| | Assignment 07: Control and Flow | |
| Tác giả | Thông điệp |
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cambeme
Giới tính : Cung : Con giáp : Bài gửi : 174 Điểm : 5242 Thanks : 0 Sinh nhật : 05/12/1991 Ngày gia nhập : 25/03/2011 Tuổi : 32 Đến từ : Thành phố Hồ Chí minh Nghề nghiệp/ước mơ : IT Tâm trạng : Hưng phắn Châm ngôn sống : Không có gì quý hơn hột vịt thịt kho!
Cao nhân tắt thở vô phương trị!
| Tiêu đề: Assignment 07: Control and Flow 6/5/2011, 22:33 | |
| | 6/5/2011, 22:33 Assignment 07: Control and Flow | | | Bài 1: - Code:
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import java.util.Scanner;
/* * @author Anh Trinh * T094054 */ public class cAss07Pro01_MaxMin_T094054 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner input = new Scanner(System.in);// the scanner // declare the variable int a, b, max, min; // input the first number System.out.print("Nhap vao so thu nhat: "); a = input.nextInt(); // input the second number System.out.print("Nhap vao so thu hai: "); b = input.nextInt(); // use if function to calculate max and min if (a > b) { max = a; min = b; }// end if else { max = b; min = a; }// end else // print out the result System.out.println("MAX = " + max); System.out.println("MIN = " + min); }// end main function }// end class Bài 2: - Code:
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import java.util.Scanner;
/* * @author Anh Trinh * T094054 */ public class cAss07Pro02_MaxOfFour_T094054 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner in = new Scanner(System.in);// the scanner // declare the variable int a = 0, b = 0, c = 0, d = 0, e = 0; // input the first number System.out.print("Nhap so thu nhat = "); a = in.nextInt(); // input the second number System.out.print("Nhap so thu hai = "); b = in.nextInt(); // input the third number System.out.print("Nhap so thu ba = "); c = in.nextInt(); // input the forth number System.out.print("Nhap so thu tu = "); d = in.nextInt(); // use if function to calculate the max number e = a; if (e < b) { e = b; }// end if if (e < c) { e = c; }// end if if (e < d) { e = d; }// end if // print out the result System.out.print("MAX = " + e); }// end main function }// end class Bài 3: - Code:
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import java.util.Scanner;
/* * @author Anh Trinh * T094054 */ public class cAss07Pro03_MinOfFive_T094054 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner in = new Scanner(System.in);// the scanner // declare the variable int a = 0, b = 0, c = 0, d = 0, e = 0, f = 0; // input the first number System.out.print("Nhap so thu nhat = "); a = in.nextInt(); // input the second number System.out.print("Nhap so thu hai = "); b = in.nextInt(); // input the third number System.out.print("Nhap so thu ba = "); c = in.nextInt(); // input the forth number System.out.print("Nhap so thu tu = "); d = in.nextInt(); // input the fifth number System.out.print("Nhap so thu nam = "); e = in.nextInt(); // use if function to calculate the min number f = a; if (f > b) { f = b; }// end if if (f > c) { f = c; }// end if if (f > d) { f = d; }// end if if (f > e) { f = e; }// end if // print out the result System.out.print("MIN = " + f); }// end main function }// end class Bài 4: - Code:
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import java.util.Scanner;
/* * @author Anh Trinh * T094054 */ public class cAss07Pro04_NegativeNumbers_T094054 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner keyboard = new Scanner(System.in);// the scanner // declare the variable int n, counter = 0; // input n from keyboard System.out.print("So phan tu cua mang: n = "); n = keyboard.nextInt(); // declare the variable int[] arrValue = new int[n]; // use if to calculate if n >0 if (n > 0) { // use for to input n[i] for (int i = 0; i < n; i++) { // input A[n] from keyboard System.out.print("Nhap n[" + (i + 1) + "]: "); arrValue[i] = keyboard.nextInt(); // use if to calculate how many number in the array <0 if (arrValue[i] < 0) { counter = counter + 1; }// end if }// end for // print out the result System.out.println("NoNs:" + counter); }// end if else { // print out the result when n <=0 System.out.println("INVALID INPUT"); }// end if }// end main function }// end class Bài 5: - Code:
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import java.util.Scanner;
/* * @author Anh Trinh * T094054 */ public class cAss07Pro05_EvenCounter_T094054 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner input = new Scanner(System.in);// the scanner // declare the variable int n = 0, sum = 0, even = 0, odd = 0; // use for to input numbers and stop when it <0 for (; n >= 0;) { System.out.print("Nhap so (dung lai khi am): "); n = input.nextInt(); // use if to calculate if n>=0 if (n >= 0) { sum = sum + 1; // use if to test if n is even number if ((n % 2) == 0) { even = even + 1; }// end if else { odd = odd + 1; }// end else }// end if }// end for // print out the result System.out.println("Total Number = " + sum); System.out.println("Even Numbers = " + even); System.out.println("Odd Numbers = " + odd); }// end main function }// end class Bài 6: - Code:
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import java.util.Scanner;
/* * @author Anh Trinh * T094054 */ public class cAss07Pro06_ClassifyMe_T094054 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner input = new Scanner(System.in);// the scanner // declare the variable int n, S = 0; // input n from keyboard System.out.print("Nhap so n: "); n = input.nextInt(); // use if to calculate if input >0 if (n > 0) { // use for to calculate the sum of divisors of n for (int i = 1; i <= n; i = i + 1) { if (n % i == 0) { S = S + i; }// end if }// end for // use if if S=2n if (S == 2 * n) { // print out the result when input is perfect number System.out.println("S = " + S + " = 2n so " + n + " is perfect number."); }// end if else { // use if if S>2n if (S > 2 * n) { // print out the result when input is abudant number System.out.println("S = " + S + " > 2n so " + n + " is abudant number."); }// end if // use else if S<2n else { // print out the result when input is deficient number System.out.println("S = " + S + " < 2n so " + n + " is deficient number."); }// end else }// end else }// end if else { // print out the result when input <=0 System.out.println("INVALID INPUT"); }// end else }// end main function }// end class Bài 7: - Code:
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import java.util.Scanner;
/* * @author Anh Trinh * T094054 */ public class cAss07Pro07_PrimeNumber_T094054 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner input = new Scanner(System.in);// the scanner // declare the variable int n, S = 0; // input n from keyboard System.out.print("Nhap so n: "); n = input.nextInt(); // use if to calculate if input >0 if (n > 0) { // use for to calculate the number of divisors of n for (int i = 1; i <= n; i = i + 1) { if (n % i == 0) { S = S + 1; }// end if }// end for if (S == 2) { // print out the result when input is prime number System.out.println("S = " + S + " so " + n + " is prime number."); }// end if else { // print out the result when input is normal number System.out.println("S = " + S + " so " + n + " is normal number."); }// end else }// end if else { // print out the result when input <=0 System.out.println("INVALID INPUT"); }// end else }// end main function }// end class Bài 8: - Code:
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import java.util.Scanner;
/* * @author Anh Trinh * T094054 */ public class cAss07Pro08_NumberOfA_T094054 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner input = new Scanner(System.in);// the scanner // declare the variable String string; int counter = 0; // input the string from keyboard System.out.print("Nhap chuoi: "); string = input.nextLine(); // use for to count how many time the word "A" appear in the string for (int i = 0; i < string.length(); i++) { if (string.charAt(i) == 'A') { counter = counter + 1; }// end if }// end for // print out the result System.out.println("So ky tu A trong chuoi: " + counter); }// end main function }// end class Bài 9: - Code:
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import java.util.Scanner;
/* * @author Anh Trinh * T094054 */ public class cAss07Pro09_NumberOfXYZ_T094054 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner input = new Scanner(System.in);// the scanner // input the string from keyboard System.out.print("Nhap chuoi: "); String string = input.nextLine().trim(); // declare the variable int n = 0; // use for to count the number of x,y,z appear in the string for (int i = 0; i < string.length(); i++) { if (XYZ(string.substring(i, i + 1))) { n++; }// end if }// end for // print out the result System.out.println("Tong so lan xuat hien cac ky tu x,y,z: " + n); }// end main function
protected static boolean XYZ(String strVar) { final String KEY = "xXyYzZ"; if (KEY.indexOf(strVar) != -1) { return true; }// end if return false; } }// end class Bài 10: - Code:
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import java.util.Scanner;
/* * @author Anh Trinh * T094054 */ public class cAss07Pro10_NumberCounter_T094054 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner input = new Scanner(System.in);// the scanner // input the string from keyboard System.out.print("Nhap chuoi: "); String string = input.nextLine().trim(); // declare the variable int n = 0; // use for to count the number of numbers appear in the string for (int i = 0; i < string.length(); i++) { if (Number(string.substring(i, i + 1))) { n++; }// end if }// end for // print out the result System.out.println("Tong so lan xuat hien cac chu so: " + n); }// end main function
protected static boolean Number(String strVar) { final String KEY = "0123456789"; if (KEY.indexOf(strVar) != -1) { return true; }// end if return false; } }// end class Bài 11: - Code:
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import java.util.Scanner;
/* * @author Anh Trinh * T094054 */ public class cAss07Pro11_StringOfNumber_T094054 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner input = new Scanner(System.in);// the scanner // input the string from keyboard System.out.print("Nhap chuoi: "); String string = input.nextLine().trim(); // use for to calculate if only numbers appear in the string for (int i = 0; i < string.length(); i++) { if (Number(string.substring(i, i + 1))) { // print out the result System.out.println("NO"); System.exit(0); }// end if }// end for // print out the result System.out.println("YES"); }// end main function
protected static boolean Number(String strVar) { final String KEY = "0123456789"; if (KEY.indexOf(strVar) == -1) { return true; }// end if return false; } }// end class
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