This shows that a class implementing an interface need not


import java.io.*;

/** This shows that a class implementing an interface need not
 * declare all the Throws that are declared in the interface.
 */
public class InterfaceWithoutAllThrows {
  interface bar {
    public void foo() throws IOException;
  }
  class baz implements bar {
    public void foo() {
      System.out.println("This is foo-lish");
    }
  }
  public static void main(String[] argv) {
    new InterfaceWithoutAllThrows().new baz().foo();
  }
}

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This shows that a class implementing an interface need not : Interface and Abstract Class « Language Basics « Java

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