m0_37619283的博客

定义一个数组String[] strings = new String[10]; 自己老是忘记写长度String[] Strings = {“dada”,“dada”,“dadadada”},在作为参数是不能这样写，应该写成 new String[]{“dada”,“dada”,“dadadada”}数组的一些常用APIArrays.toString()Arrays.copyOf(String[] original, int newLength)Arrays…sort(Object[] a)

交替打印 A ,B synchronized技能点： wait 会释放锁public class Print implements Runnable{ private Object lock; private String name; public Print(String name,Object lock) { this.name = name; this.lo...

start a web-app project from mavenadd the spring , javax-servlet dependencies of maven (the servlet’s scope is should be compile)add the plugin of maven-compiler-plugin,maven-war-pligun,tomcat7-mav...

test the beanRunWith(SpringJunit4ClassRunner.class)ContextConfiguration(classes={})ps: the junit need 4.12 or greaterpackage com.zbf.test;import org.junit.Assert;import org.junit.Test;impor...