java的加减乘问题

来源：百度知道 编辑：UC知道 时间：2024/06/21 02:20:08
import java.util.*;
public class Calculator {
int a;
int b;
public int getA() {
return a;
}
public void setA(int n) {
this.a = n;
}
public int getB() {
return b;
}
public void setB(int n) {
this.b = n;
}
public Calculator(int a ,int b)
{
this.a=a;
this.b=b;
}
public void setPlus(int a,int b)
{
this.a=a;this.b=b;
}
public int getPlus()
{
return a+b;
}
public void setMinus(int a,int b)
{
this.a=a;this.b=b;
}
public int getMinus()
{
return a-b;
}
public void setMultiply(int a,int b)
{
this.a=a;this.b=b;
}
public int getMultiply()
{
return a*b;
}
public static void main(String[] args)
{
Calculator ca=new Calculator(a,b);
System.out.println(a+"+"+b+"="+ca.getPlus());
System.out.println(a+"-"+b+"

import java.util.*;

public class Calculator {
int a;
int b;

public int getA() {
return a;
}

public void setA(int n) {
this.a = n;
}

public int getB() {
return b;
}

public void setB(int n) {
this.b = n;
}

public Calculator(int a, int b) {
this.a = a;
this.b = b;
}

public void setPlus(int a, int b) {
this.a = a;
this.b = b;
}

public int getPlus() {
return a + b;
}

public void setMinus(int a, int b) {
this.a = a;
this.b = b;
}

public int getMinus() {
return a - b;
}

public void setMultiply(int a, int b) {
this.a = a;
this.b = b;
}

public int getMultiply() {
return a * b;
}

public static void main(String[] args) {
Calculator ca = new Calculator(1,