请帮我解决我的问题.我如何得到总和值?
public class Exe {
int sum;
public int sumAB(int a,int b) {
sum=a+b;
return sum;
}
}
public class Test {
public static void main(String[] args){
Exe e= new Exe();
e.sumAB(2,3);
System.out.println(e);
}
}
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