Shows default initial values : Data Type Introduction « Data Type « Java Tutorial

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Java Tutorial » Data Type » Data Type Introduction

2. 1. 9. Shows default initial values


public class MainClass {

  boolean t;



  char c;



  byte b;



  short s;



  int i;



  long l;



  float f;



  double d;



  void print(String s) {

    System.out.println(s);

  }



  void printInitialValues() {

    print("Data type      Initial value");

    print("boolean        " + t);

    print("char           [" + c + "]");

    print("byte           " + b);

    print("short          " + s);

    print("int            " + i);

    print("long           " + l);

    print("float          " + f);

    print("double         " + d);

  }



  public static void main(String[] args) {

    MainClass iv = new MainClass();

    iv.printInitialValues();

  }

}

Data type      Initial value
boolean        false
char           []
byte           0
short          0
int            0
long           0
float          0.0
double         0.0

2. 1. Data Type Introduction
	2. 1. 1.	The Primitive Types
	2. 1. 2.	Size for Java's Primitive Types
	2. 1. 3.	Default values for primitives and references
	2. 1. 4.	Literals
	2. 1. 5.	Surprise! Java lets you overflow
	2. 1. 6.	Wrapping a Primitive Type in a Wrapper Object: boolean, byte, char, short, int, long, float, double
	2. 1. 7.	Print the limits of primitive types (e.g. byte, short, int ...) in Java
	2. 1. 8.	Get the minimum and maximum value of a primitive data types
	2. 1. 9.	Shows default initial values
	2. 1. 10.	Primitive utilities
	2. 1. 11.	Return primitive type the passed in wrapper type corresponds to

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