package demo;
public class DefaultValueDemo {
boolean flag;
byte b;
char c;
short s;
int i;
float f;
long l;
double d;
String str;
public static void main(String[] args) {
// TODO Auto-generated method stub
DefaultValueDemo defaultValueDemo = new DefaultValueDemo();
System.out.println("boolean is: "+defaultValueDemo.flag);
System.out.println("byte is: " + defaultValueDemo.b);
System.out.println("char is: a"+defaultValueDemo.c+"a");
System.out.println("short is: "+defaultValueDemo.s);
System.out.println("int is: " + defaultValueDemo.i);
System.out.println("float is: " + defaultValueDemo.f);
System.out.println("long is: " + defaultValueDemo.l);
System.out.println("double is: " + defaultValueDemo.d);
System.out.println("String is: " + defaultValueDemo.str);
}
}
public class DefaultValueDemo {
boolean flag;
byte b;
char c;
short s;
int i;
float f;
long l;
double d;
String str;
public static void main(String[] args) {
// TODO Auto-generated method stub
DefaultValueDemo defaultValueDemo = new DefaultValueDemo();
System.out.println("boolean is: "+defaultValueDemo.flag);
System.out.println("byte is: " + defaultValueDemo.b);
System.out.println("char is: a"+defaultValueDemo.c+"a");
System.out.println("short is: "+defaultValueDemo.s);
System.out.println("int is: " + defaultValueDemo.i);
System.out.println("float is: " + defaultValueDemo.f);
System.out.println("long is: " + defaultValueDemo.l);
System.out.println("double is: " + defaultValueDemo.d);
System.out.println("String is: " + defaultValueDemo.str);
}
}
输出:
boolean is: false
byte is: 0
char is: a a
short is: 0
int is: 0
float is: 0.0
long is: 0
double is: 0.0
String is: null