import java.util.*; class student{ int a,b,c,sum,diff,mul; student(int a , int b){ this.a = a; this.b = b; sum = a+b; System.out.println(sum); } student(int a,int b,int c){ this.a = a; this.b = b; this.c = c; sum = a+b+c; System.out.println(sum); } void students(int a,int b){ this.a = a; this.b = b; diff = a - b; System.out.println(diff); } void students(int a,int b){ this.a = a; this.b = b; mul = a*b; System.out.println(mul); } } class studentTest{ public static void main(String[]args){ student s1 = new student(5,6); student s2 = new student(4,5,6); s1.student(4,2); s2.student(2,3,6); } }