Java.lang.StringBuilder.append() Method

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Description

The java.lang.StringBuilder.append(boolean b) method appends the string representation of the boolean argument to the sequence.

Declaration

Following is the declaration for java.lang.StringBuilder.append() method

public StringBuilder append(boolean b)

Parameters

  • b -- This is the boolean value.

Return Value

This method returns a reference to this object.

Exception

  • NA

Example

The following example shows the usage of java.lang.StringBuilder.append() method.

package com.tutorialspoint;

import java.lang.*;

public class StringBuilderDemo {

  public static void main(String[] args) {
  
    StringBuilder str = new StringBuilder("compile ");
    System.out.println("string = " + str);

    // appends the boolean argument as string to the StringBuilder
    str.append(true);
    // print the StringBuilder after appending
    System.out.println("After append = " + str);
    
    str = new StringBuilder("abcd ");
    System.out.println("string = " + str);
    // appends the boolean argument as string to the String Builder    
    str.append(false);
    // print the string Builder after appending
    System.out.println("After append = " + str);
  }
}  

Let us compile and run the above program, this will produce the following result:

string = compile
After append = compile true
string = abcd
After append = abcd false



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