package com.company; public class Main { public static void main(String[] args) { int a = 2; int b = 3; int tmp; //进行数据交换 tmp = a; a = b; b = tmp; System.out.println("交换后的a:"+ a + ",b:" + b); } }
package com.company; public class Main { public static void main(String[] args) { // int a = 2; // int b = 3; // int tmp; // //进行数据交换 // tmp = a; // a = b; // b = tmp; // System.out.println("交换后的a:"+ a + ",b:" + b); int a = 2000; int ge = a % 10; int shi = a / 100 % 10; int bai = a / 10 % 100; int qian = a / 1000; int he = ge + shi + bai + qian; System.out.println(ge); System.out.println(shi); System.out.println(bai); System.out.println(qian); System.out.println(he); } }
package com.company; public class Main { public static void main(String[] args) { // int a = 2; // int b = 3; // int tmp; // //进行数据交换 // tmp = a; // a = b; // b = tmp; // System.out.println("交换后的a:"+ a + ",b:" + b); // int a = 2000; // int ge = a % 10; // int shi = a / 100 % 10; // int bai = a / 10 % 100; // int qian = a / 1000; // int he = ge + shi + bai + qian; // System.out.println(ge); // System.out.println(shi); // System.out.println(bai); // System.out.println(qian); // System.out.println(he); int F = 50; int C =(F - 32) * 5 / 9; System.out.println(C); int C1 = 10; int F1 = C1 * 9 / 5 + 32; System.out.println(F1); } }
package com.company; public class Main { public static void main(String[] args) { // int a = 2; // int b = 3; // int tmp; // //进行数据交换 // tmp = a; // a = b; // b = tmp; // System.out.println("交换后的a:"+ a + ",b:" + b); // int a = 2000; // int ge = a % 10; // int shi = a / 100 % 10; // int bai = a / 10 % 100; // int qian = a / 1000; // int he = ge + shi + bai + qian; // System.out.println(ge); // System.out.println(shi); // System.out.println(bai); // System.out.println(qian); // System.out.println(he); // int F = 50; // int C =(F - 32) * 5 / 9; // System.out.println(C); // int C1 = 10; // int F1 = C1 * 9 / 5 + 32; // System.out.println(F1); char a = 'A'; System.out.println((char)(a + 32)); } }