The conditional operator ?: (a ternary operator) : Conditional Operator « Operators « SCJP






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  3. Conditional Operator
public class MainClass {
  public static void main(String[] argv) {
    boolean x = true;
    int a = 0;
    int b = 1;
    int c = 2;

    if (x) {
      a = b;
    } else {
      a = c;
    }

    a = x ? b : c;
    System.out.println(a);
  }
}

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2.9.Conditional Operator
2.9.1.The conditional operator ?: (a ternary operator)
2.9.2.The ternary operator ? : has three operands and takes the following form: operand1 ? operand2 : operand3
2.9.3.a = x ? b : c; The types b and c should be compatible.
2.9.4.a = x ? b : c; The type of the expression x should be boolean.
2.9.5.nest conditional operators into one statement