Java String、string[]、List初始化方法
String初始化:
1.String str = new String("string1");
2.String str = "string1";
String[]初始化:
1.String[] str = new String[5];
2.String[] str = new String[]{"a", "b", "c", "d", "e"};
3.String[] str = {"a", "b", "c", "d", "e"};
List初始化:
1.List strList<String> = new ArrayList<String> ();
strList.add("a");
strList.add("b");
2.List strList<String> = new ArrayList<String> (){
{
add("a");
add("b");
}//初始化块,在构造器之前执行。
};