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public class Homework21 { public static void main(String[] args) { Random rand = new Random(); Scanner sc = new Scanner(System.in); int num = rand.nex 阅读全文
摘要：
public class Homework{ public static void main(String[]args){ String a = "ja456va p5465hp java458script <div>465</div>"; Pattern s = Pattern.compile(" 阅读全文
摘要：
public class Homework { public static void main (String[]args){ String a = "<div><h3>hello</h3></div><p><div>ok</div></p><div>hello333</div>"; Pattern 阅读全文
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public class Homework { public static main (String[]rags){ int[] a = new int[10]; Random rand = new Random(); // 乱序 for (int i = 0; i < a.length; i++) 阅读全文
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public class Homework{ public static void main(String[]args){ for (int i = 1; i <= 9; i++) { for (int j = 1; j <= i; j++) { System.out.print(j + "*" + 阅读全文
摘要：
public class Homework17;{ public static void main (string[] args){ String str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; Rand 阅读全文