- Java.lang Package classes
- Java.lang - Home
- Java.lang - Boolean
- Java.lang - Byte
- Java.lang - Character
- Java.lang - Character.Subset
- Java.lang - Character.UnicodeBlock
- Java.lang - Class
- Java.lang - ClassLoader
- Java.lang - Compiler
- Java.lang - Double
- Java.lang - Enum
- Java.lang - Float
- Java.lang - InheritableThreadLocal
- Java.lang - Integer
- Java.lang - Long
- Java.lang - Math
- Java.lang - Number
- Java.lang - Object
- Java.lang - Package
- Java.lang - Process
- Java.lang - ProcessBuilder
- Java.lang - Runtime
- Java.lang - RuntimePermission
- Java.lang - SecurityManager
- Java.lang - Short
- Java.lang - StackTraceElement
- Java.lang - StrictMath
- Java.lang - String
- Java.lang - StringBuffer
- Java.lang - StringBuilder
- Java.lang - System
- Java.lang - Thread
- Java.lang - ThreadGroup
- Java.lang - ThreadLocal
- Java.lang - Throwable
- Java.lang - Void
- Java.lang Package extras
- Java.lang - Interfaces
- Java.lang - Errors
- Java.lang - Exceptions
- Java.lang Package Useful Resources
- Java.lang - Useful Resources
- Java.lang - Discussion
Java.lang.StringBuilder.append() Method
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
java_lang_stringbuilder.htm
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