JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Program: How to test the performance interms of timeout?


Reference: org.junit java docs

@Test(timeout=100): Somethimes we need to mesure the performance interms of time. The @Test annotations provides an optional parameter called 'timeout', which causes a test to fail if it takes longer than a specified amount of clock time (measured in milliseconds).


public class MyTestClass {
    @[email protected](timeout=100)
    public void myTestMethod() {
        /**
         * The IO operation has to be done with in 100 milli seconds. If not,
         * the test should fail. 
         */
       ....
       ....
    }
 }

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Java JUnit Examples

  1. Simple JUnit test using @Test annotation.
  2. List of JUnit annotations.
  3. Assertion method Assert.assertArrayEquals() example.
  4. How to do JUnit test for comapring two list of user defined objects?
  5. Assertion method Assert.assertEquals() example.
  6. Assertion method Assert.assertFalse() example.
  7. Assertion method Assert.assertTrue() example.
  8. Assertion method Assert.assertNotNull() example.
  9. Assertion method Assert.assertNull() example.
  10. Assertion method Assert.assertNotSame() example.
  11. Assertion method Assert.assertSame() example.
Knowledge Centre
ServletOuptputStream Vs PrintWriter
ServletOutputStream: ServletResponse.getOutputStream() returns a ServletOutputStream suitable for writing binary data in the response. The servlet container does not encode the binary data, it sends the raw data as it is.

PrintWriter: ServletResponse.getWriter() returns PrintWriter object which sends character text to the client. The PrintWriter uses the character encoding returned by getCharacterEncoding(). If the response's character encoding has not been specified then it does default character encoding.
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I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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