String 转 int
//方式一:Integer(String s)
Integer i = new Integer("10"); // 10
int a = i.intValue()
//方式二:static int parseInt(String s)
int b = Integer.parseInt("20"); //20
int 转String
int a = 50;
String s = a + "";
String 转 int
//方式一:Integer(String s)
Integer i = new Integer("10"); // 10
int a = i.intValue()
//方式二:static int parseInt(String s)
int b = Integer.parseInt("20"); //20
int 转String
int a = 50;
String s = a + "";