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README.md | 1 year ago |
README.md
DoOp
Instructions
Create a file named DoOp.java
.
Write a function operate
that returns the result of the given arithmetic operation specified in the parameters. The arguments should be passed in the following order:
- The first argument is the left operand
- The second argument is the operation sign
- The third argument is the right operand
Expected Functions
public class DoOp {
public static String operate(String[] args) {
// your code here
}
}
Usage
Here is a possible ExerciseRunner.java to test your function :
public class ExerciseRunner {
public static void main(String[] args) {
System.out.println(DoOp.operate(new String[]{"1","+","2"}));
System.out.println(DoOp.operate(new String[]{"1","-","1"}));
System.out.println(DoOp.operate(new String[]{"1","%","0"}));
System.out.println(DoOp.operate(args));
}
}
and its output :
$ javac *.java -d build
$ java -cp build ExerciseRunner
3
0
Error
it depend on the input.
$
Notions
Command-Line Arguments Operators Conditional statement String Array