JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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How to trim spaces in the given string in java?


Description:

Below example shows how to trim spaces in the given string. The trim() function removes all kind of space characters at both ends, means removes starting and trailing spaces. These space characters includes normal space, enter, new line, tab, etc.


Code:
package com.myjava.string;

public class MyStringTrim {
    public static void main(String a[]){
        String str = "  Junk   ";
        System.out.println(str.trim());
    }
}

Example Output

Junk

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wait Vs sleep methods
sleep(): It is a static method on Thread class. It makes the current thread into the "Not Runnable" state for specified amount of time. During this time, the thread keeps the lock (monitors) it has acquired.

wait(): It is a method on Object class. It makes the current thread into the "Not Runnable" state. Wait is called on a object, not a thread. Before calling wait() method, the object should be synchronized, means the object should be inside synchronized block. The call to wait() releases the acquired lock.
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About Author

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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