通过java代码实现加减乘除的简单算法

package baogao;

public class Count {
public float sum1;
public float sum2;
public Count(){
float sum1;
float sum2;
}
public Count(float sum1,float sum2){
this.sum1=sum1;
this.sum2=sum2;
}
public void get1(float sum1 ,float sum2){
this.sum1 = sum1;
this.sum2 = sum2;
}
public void get2(){
System.out.println("两个数的和为："+(sum1+sum2));
}
public void get3(){
System.out.println("两个数的差为："+(sum1-sum2));
}
public void get4(){
System.out.println("两个数的乘积为："+(sum1*sum2));
}
public void get5(){
System.out.println("两个数的商为："+(sum1/sum2));
}
public static void main(String[] args) {