叫我疾风大王

// 生成随机数private String makeNum(){ Random random = new Random(); //生成一个随机数[0,9999999) 末尾加上“”表明是字符串类型 String num = random.nextInt(9999999) + ""; StringBuffer stringBuffer = new StringBuffer(); //不足7位用0填充 for (int i = 0; i < 7 - nu

/**恒盛人事管理系统* author ：Mr. ZHAO*//*throws InterruptedException*/import java.util.*;public class HengSProject{ public static void main(String[] args) { //输入所有员工年龄 Scanner scanner = new Scanner(System.in); Sy

import java.util.Arrays;public class CopyArrayTest { public static void main(String[] args) { int n = 10; int [] numbers = new int [n]; for( int i = 0; i < numbers.length; i++) { numbers[i] = i + 1; } System.out.println(Arrays.toStrin

import java.util.Scanner;public class SwitchScannerTest { public static void main(String[] args) { //switch语句 + Scanner测试 @SuppressWarnings("resource") Scanner scanner = new Scanner(System.in); System.out.println("Please enter a data(1~

JAVA 打印正三角形` int i; int j; int k; for(i = 1; i <= 5; i++) { for(j = 0; j <=4 - i; j++) { System.out.print(" "); } for(k = 1; k <=2 * i - 1; k++) { System.out.print("*"); } System.out.println(); }

JAVA 九九乘法表public static void main(String[] args) { System.out.printf("九九乘法表如下：\n\n"); int i; int j; for(i = 1; i <= 9; i++ ) { for(j = 1; j <= i; j++) { System.out.printf("%d * %d = %2d ",j,i,i*j); } System.out.println(); }}..

JAVA My first arrayimport java.util.*;import java.lang.reflect.Array;import java.util.Scanner;public class ArraySortTest { public static void main(String[] args) { Scanner in = new Scanner(System.in); System.out.print("How many numbers do y

利用Java输出100-1000水仙花数public class DaffodilsNumberTest { public static void main(String[] args) { int a, b, c; System.out.println("100 - 1000水仙花数如下："); for(int i = 100; i < 1000; i++) { a = i / 100; b = i / 10 % 10; c = i % 10; if

我的Java输入语句import java.util.*;public class InputTest { public static void main(String[] args) { Scanner in = new Scanner(System.in); //得到第一次输入 System.out.println("What is your name?"); String name = in.nextLine(); //得到第二次输入 System.out

My first Java ——HW！public class Test123 { public static void main(String[] args) { System.out.println("Hello World!"); }}