Homework 3

javali_tests/HW3_nop90/InheritanceTests/OverrideTests/ErrorOverrideNumberParams.javali

@@ -0,0 +1,16 @@
+// The number of parameters when overriding a method must be equal
+
+class Other {
+	void action() {
+		write(10);
+	}
+}
+
+class Main extends Other {
+	void action(int num) {
+		write(num);
+		return num + 1;
+	}
+
+	void main() {}
+}

javali_tests/HW3_nop90/InheritanceTests/OverrideTests/ErrorOverrideReturnType.javali

@@ -0,0 +1,14 @@
+// The return type when overriding a method must be equal
+
+class Other {
+	void action() {}
+}
+
+class Main extends Other {
+	int action() {
+		write(10);
+		return 8;
+	}
+
+	void main() {}
+}

javali_tests/HW3_nop90/InheritanceTests/OverrideTests/ErrorOverrideTypeParams.javali

@@ -0,0 +1,17 @@
+// The type of parameters when overriding a method must match the overridden method
+
+class Other {
+	void action(int num) {
+		write(num);
+	}
+}
+
+class Main extends Other{
+	void action(boolean name) {
+		if (name) {
+			writeln();
+		}
+	}
+
+	void main() {}
+}

javali_tests/HW3_nop90/InheritanceTests/OverrideTests/OkCallOverriddenMethod.javali

@@ -0,0 +1,16 @@
+// Call method that has been overridden (both the new and old one)
+
+class Other {
+	void method() {}
+}
+
+class Main extends Other {
+	void main() {
+		Other o;
+		method();
+		o = (Other) this;
+		o.method();
+	}
+
+	void method() {}
+}