jdk-24/test/langtools/tools/javac/switchextra/SwitchObject.java

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/*
* @test /nodynamiccopyright/
* @bug 8206986
* @summary Verify switch over Object is not allowed.
* @compile/fail/ref=SwitchObject.out -XDrawDiagnostics SwitchObject.java
*/
public class SwitchObject {
private int longSwitch(Object o) {
switch (o) {
case -1: return 0;
case "": return 1;
default: return 3;
}
}
}