基本数据类型和引用类型的初始值

编程技术  /  houtizong 发布于 3年前   158

package com.array;/** * @Description 测试初始值 * @author FuJianyong * 2015-1-22上午10:31:53 */public class ArrayTest {    ArrayTest at;String str;byte bt;short s;int i;long l;float f;double d;char c;boolean b;/** * 基本数据类型和引用类型初始值 */public void testInitialize() {System.out.println(str+" "+bt+" "+s+" "+i+" "+l+" "+f+" "+d+" "+c+" "+b+" ");}ArrayTest[] atA = new ArrayTest[1];String[] strA = new String[1];byte[] btA = new byte[1];short[] sA = new short[1];;int[] iA = new int[1];;long[] lA = new long[1];;float[] fA = new float[1];;double[] dA = new double[1];;char[] cA = new char[1];;boolean[] bA = new boolean[1];;/** * 基本数据类型和引用类型数组初始值 */public void testInitializeArray() {System.out.println(strA[0]+" "+btA[0]+" "+sA[0]+" "+iA[0]+" "+lA[0]+" "+fA[0]                   +" "+dA[0]+" "+cA[0]+" "+bA[0]+" ");}    /**      * test     * @param args     * output     * null 0 0 0 0 0.0 0.0  false     */    public static void main(String[] args) {    ArrayTest at = new ArrayTest();    at.testInitialize();    at.testInitializeArray();    }}