java中字符串初始化的差别
java中字符串初始化的区别
public class JavaTest1
{
public static void main(String[] args)
{
String str1 = "java" ;
String str2 = new String("java") ;
String str3 = "java" ;
System.out.println("str1 == str2 ? --- > "+(str1==str2)) ;
System.out.println("str1 == str3 ? --- > "+(str1==str3)) ;
System.out.println("str3 == str2 ? --- > "+(str3==str2)) ;
}
}
选自http://wenku.baidu.com/view/a3ead3f9f121dd36a22d8211.html，感兴趣的同学可以下载