public class Calculator {
interface IntegerMath {
boolean check(int a);
}
public boolean operateBinary(IntegerMath op, int x) {
//return op.operation(a, b);
//return op.operation(x, y, z);
return op.check(x);
}
public static void main(String... args) {
Calculator myApp = new Calculator();
IntegerMath mycheck = (a) -> a == 90;
System.out.println("is a equal to 90?= " +
myApp.operateBinary(mycheck, 40));
}
}
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