plugins/groovy/testdata/highlighting/missingReturn/MissingReturnImplicitReturns.groovy - platform/tools/idea - Git at Google

 int foo() {
   if (i==5) {
     print 5;
   } else {
     if (j==5) {
       Math.min(3, 4)
     } else {
       print 3;
     }
   }
 <warning descr="Not all execution paths return a value">}</warning>
	int foo() {
	if (i==5) {
	print 5;
	} else {
	if (j==5) {
	Math.min(3, 4)
	} else {
	print 3;
	}
	}
	<warning descr="Not all execution paths return a value">}</warning>