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Java example source code file (Position.java)

This example Java source code file (Position.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

error, position, throwable

The Position.java Java example source code

/*
 * @test  /nodynamiccopyright/
 * @bug 4469737
 * @summary Verify the source position for assertions.
 * @author gafter
 */


public class Position {
    static public void main(String[] args) {
        Position.class.getClassLoader().setClassAssertionStatus("U", true);
        new U().main();
    }
}


class U {
    void main() {
        try {
            assert false; // line 20
        } catch (Throwable t) {
            if (t.getStackTrace()[0].getLineNumber() == 20) {
                return; // passed
            }
        }
        throw new Error("failed 4469737");
    }
}

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