摘要： public class Usuallyclass { public static void main(String[] args) { // 控制台输入 // Scanner scanner = new Scanner(System.in); // int i = scanner.nextInt( 阅读全文

摘要： public class BinarySearch { public static void main(String[] args) { int[] arr = {10, 20, 30, 40, 50, 60, 70, 80, 90}; int num = 70; System.out.printl 阅读全文

摘要： import java.io.File; public class Recursion { public static void main(String[] args) { File file = new File("E:\\study\\JAVA全套整理"); RecursionMethods(f 阅读全文

摘要： import java.util.Arrays; public class Arrsort { public static void main(String[] args) { int[] arr = {5, 8, 3, 4, 9, 2, 7, 6, 1}; System.out.println(A 阅读全文