Java String int Integer （三种数据类型之间的转换）

public class Test { public static void main(String[] args) { int i =100; String s = String.valueOf(i);//int to String Integer integer = Integer.valueOf(i);//int to Integer int i1 = Integer.parseInt(s);//String to int Integer integer1 = Integer.valueOf(s);//String to Integer String s1 = String.valueOf(integer);// Integer to String int i2 = integer.intValue();//Integer to int } } public class Test { public static void main(Strin