연산자 연습문제 및 답

int num1 = 10;

int num2 = 20;

int num3 = 30;

 

int sum = (num1 + num2 + num3);

 

int average = sum / 3;

 

System.out.println("sum = " + sum);

System.out.println("average = " + average);

 

 

 

 

double val1 = 1.5;

double val2 = 2.5;

double val3 = 3.5;

 

double sum = val1 + val2 + val3;

double avg = sum / 3;

 

System.out.println("sum = " + sum);

System.out.println("avg = " + avg);

 

 

 

 

int score = 0;

boolean op = 80 <= score && score <= 100;

System.out.println(op);