In this tutorial we will see about debugging java applications using Eclipse. Debugging helps us to identify and fix defects in the application. We will focus on run-time issues and not compile time errors. There are command line debuggers like gdb a…
1.关于Arrays 记得binarySearch方法返回的int 类型的数值的含义. If the array contains multiple elements with the specified value, there is no guarantee which one will be found. 而且当查找数小于数组中任何一个数时返回-1 ,当查找数大于数组中任何一个数时返回 -(array.length+1) System.out.println(Arrays **…
在命令行运行主函数时,后缀字符串,则会储存在args[]数组中,这种方法可以在程序运行时,借助Main函数传参 主类书写不规范见谅 ```java public class hello{ public static void main(String[] args){ System.out.println("hello,java"); System.out.println(args[0]); System.out.println(args[1]); System.out.println(…