默认数据类型的值

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下面是测试的源代码以及结果:
下面是测试的源代码以及结果:
hk [a=0, b=0, c=0, d=0, e=0.0, f=0.0, g= ,h=null]


package second;


public class test{
public static void main(String[] a){
hk hk=new hk();
System.out.println(hk.toString());
}
}
class hk{
private int a;
private short b;
private long c;
private byte d;
private float e;
private double f;
private char g;
private String h;
public int getA() {
return a;
}
public void setA(int a) {
this.a = a;
}
public short getB() {
return b;
}
public void setB(short b) {
this.b = b;
}
public long getC() {
return c;
}
public void setC(long c) {
this.c = c;
}
public byte getD() {
return d;
}
public void setD(byte d) {
this.d = d;
}
public float getE() {
return e;
}
public void setE(float e) {
this.e = e;
}
public double getF() {
return f;
}
public void setF(double f) {
this.f = f;
}
public char getG() {
return g;
}
public void setG(char g) {
this.g = g;
}
public String getH() {
return h;
}
public void setH(String h) {
this.h = h;
}
public String toString() {
return "hk [a=" + a + ", b=" + b + ", c=" + c + ", d=" + d + ", e=" + e + ", f=" + f + ", g=" + g + ", h=" + h
+ "]";
}



}
}

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转载自blog.csdn.net/document_hk/article/details/80639248