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class MyTest {
static class Foo<T> {
T m() { return null; };
}
interface I1 {
Foo<Object> m(Foo<String> f);
}
interface I2 {
Integer m(Foo<Integer> f);
}
interface I3 {
Object m(Foo<Integer> f);
}
private static void <warning descr="Private method 'foo(MyTest.I1)' is never used">foo</warning>(I1 i) {
System.out.println(i);
}
private static void <warning descr="Private method 'foo(MyTest.I2)' is never used">foo</warning>(I2 i) {
System.out.println(i);
}
private static void <warning descr="Private method 'foo(MyTest.I3)' is never used">foo</warning>(I3 i) {
System.out.println(i);
}
public static void main(String[] args) {
foo<error descr="Ambiguous method call: both 'MyTest.foo(I1)' and 'MyTest.foo(I2)' match">(Foo::m)</error>;
}
}
class MyTest1 {
interface I1 {
Foo<?> m(String s);
}
interface I2 {
Foo<?> m(Integer i);
}
interface I3 {
Foo<Number> m(Integer i);
}
static class Foo<T extends Number> {
Foo(T t) {
System.out.println(t);
}
}
private static void <warning descr="Private method 'm(MyTest1.I1)' is never used">m</warning>(I1 i) {
System.out.println(i);
}
private static void <warning descr="Private method 'm(MyTest1.I2)' is never used">m</warning>(I2 i) {
System.out.println(i);
}
private static void <warning descr="Private method 'm(MyTest1.I3)' is never used">m</warning>(I3 i) {
System.out.println(i);
}
public static void main(String[] args) {
m<error descr="Ambiguous method call: both 'MyTest1.m(I1)' and 'MyTest1.m(I2)' match">(Foo::new)</error>;
}
}
class MyTest2 {
interface I1 {
Foo<?> m(String s);
}
interface I2 {
Foo<Integer> m(Integer i);
}
interface I3 {
Foo<Number> m(Integer i);
}
static class Foo<T extends Number> {
Foo(T t) {
System.out.println(t);
}
}
private static void <warning descr="Private method 'm(MyTest2.I1)' is never used">m</warning>(I1 i) {
System.out.println(i);
}
private static void <warning descr="Private method 'm(MyTest2.I2)' is never used">m</warning>(I2 i) {
System.out.println(i);
}
private static void <warning descr="Private method 'm(MyTest2.I3)' is never used">m</warning>(I3 i) {
System.out.println(i);
}
public static void main(String[] args) {
m<error descr="Ambiguous method call: both 'MyTest2.m(I1)' and 'MyTest2.m(I2)' match">(Foo::new)</error>;
}
}
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