westwin的专栏

对于gb2312来讲,首字节码位从0×81至0×FE，尾字节码位分别是0×40至0×FE,所以 ： public boolean isGB2312(String str){    char[] chars=str.toCharArray();    boolean isGB2312=false;    for(int i=0;i     byte[] bytes=(""+chars[i]).g

Java语言中两种异常的差别eugene 翻译 来源：Yesky　　Java提供了两类主要的异常：runtime exception和checked exception。所有的checked exception是从java.lang.Exception类衍生出来的，而runtime exception则是从java.lang.RuntimeException或java.lang.Error类衍生出

When Runtime.exec() wont Navigate yourself around pitfalls related to the Runtime.exec() method Summary-->

Explainations of Thread.State:        /**         * Thread state for a thread which has not yet started.         */        NEW,                /**         * Thread

import junit.framework.TestCase;import junit.framework.Assert;public class TestStringIdentical extends TestCase { public void testTwoConstantStringAreTheSame() {  Assert.assertSame("hi", "hi"); }