public class Number {
private int x;
private int y;
public int getX() {
return x;
}
public void setX(int x) {
this.x = x;
}
public int getY() {
return y;
}
public void setY(int y) {
this.y = y;
}
//加法
public int add(){
return x+y;
}
//减法
public int minus(){
return x-y;
}
//乘法
public int mutiply(){
return x*y;
}
//除法
public double divide(){
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