StringBuffer append() Method in Java with Examples

// Java program to illustrate the
// StringBuffer append(boolean a)
import java.lang.*;
public class Geeks {
    public static void main(String[] args)
    {
        StringBuffer sbf1 = new StringBuffer("We are geeks and its really ");
        System.out.println("Input: " + sbf1);
        // Appending the boolean value
        sbf1.append(true);
        System.out.println("Output: " + sbf1);
        System.out.println();
        StringBuffer sbf2 = new StringBuffer("We are lost - ");
        System.out.println("Input: " + sbf2);
        // Appending the boolean value
        sbf2.append(false);
        System.out.println("Output: " + sbf2);
    }
}

// Java program to illustrate the
// java.lang.StringBuffer.append(char a)
import java.lang.*;
public class Geeks {
    public static void main(String[] args)
    {
        System.out.println("We are geeks and its really ");
        StringBuffer sbf = new StringBuffer("We are geeks and its");
        /* Here it appends the char argument as
         string to the string buffer */
        sbf.append('M');
        System.out.println("Result after appending = " + sbf);
        System.out.println("We are lost -");
        sbf = new StringBuffer("We are lost -");
        /* Here it appends the char argument as
         string to the string buffer */
        sbf.append('&');
        System.out.println("Result after appending = " + sbf);
    }
}

// Java program to illustrate the
// java.lang.StringBuffer.append(<em>char[] astr</em>)
import java.lang.*;
public class Geeks {
    public static void main(String[] args)
    {
        System.out.println("We are geeks and its really ");
        StringBuffer sbf = new StringBuffer("We are geeks and its ");
        // Char array
        char[] astr = new char[] { 'G', 'E', 'E', 'k', 'S' };
        /* Here it appends string representation of char array 
        argument to this string buffer */
        sbf.append(astr);
        System.out.println("Result after appending = " + sbf);
        System.out.println("We are lost -");
        sbf = new StringBuffer("We are lost -");
        // Char array
        astr = new char[] { 'a', 'b', 'c', 'd' };
        /* Here it appends string representation of char array argument to
        argument to this string buffer */
        sbf.append(astr);
        System.out.println("Result after appending = " + sbf);
    }
}

// Java program to illustrate the
// java.lang.StringBuffer append(char[] cstr, int iset, int length)
import java.lang.*;
public class Geeks {
    public static void main(String[] args)
    {
        StringBuffer sb = new StringBuffer("Geeks");
        System.out.println(" String buffer  before = " + sb);
        char[] cstr = new char[] { 'f', 'o', 'r', 'G', 'e', 'e', 'k', 's',
                                   'b', 'e', 'a', 'g', 'e', 'e', 'k' };
        /* appends the string representation of char array argument to this
      string buffer with offset initially at index 0 and length as 8 */
        sb.append(cstr, 0, 8);
        // Print the string buffer after appending
        System.out.println("After appending string buffer = " + sb);
    }
}

// Java program to illustrate the
// java.lang.StringBuffer.append()
import java.lang.*;
public class Geeks {
    public static void main(String[] args)
    {
        System.out.println("We are geeks and its really ");
        StringBuffer sbf = new StringBuffer("We are geeks and its ");
        // char array
        Double astr = new Double(636.47);
        /*Here it appends string representation of Double argument to 
         this string buffer*/
        sbf.append(astr);
        System.out.println("Result after appending = " + sbf);
        System.out.println("We are lost -");
        sbf = new StringBuffer("We are lost -");
        astr = new Double(827.38);
        /*Here it appends string representation of Double argument 
         to this string buffer*/
        sbf.append(astr);
        System.out.println("Result after appending = " + sbf);
    }
}

// Java program to illustrate the
// java.lang.StringBuffer.append()
import java.lang.*;
public class Geeks {
    public static void main(String[] args)
    {
        System.out.println("We are geeks and its really ");
        StringBuffer sbf = new StringBuffer("We are geeks and its ");
        Float astr = new Float(6.47);
        /* Here it appends string representation of  Float argument
         to this string buffer */
        sbf.append(astr);
        System.out.println("Result after appending = " + sbf);
        System.out.println("We are lost -");
        sbf = new StringBuffer("We are lost -");
        astr = new Float(27.38);
        // Here it appends string representation of Float
        // argument to this string buffer
        sbf.append(astr);
        System.out.println("Result after appending = " + sbf);
    }
}

// Java program to illustrate the
// java.lang.StringBuffer.append()
import java.lang.*;
public class Geeks {
    public static void main(String[] args)
    {
        System.out.println("We are geeks and its really ");
        StringBuffer sbf = new StringBuffer("We are geeks and its ");
        Integer astr = new Integer(827);
        /*Here it appends string representation of  Integer argument to
        argument to this string buffer*/
        sbf.append(astr);
        System.out.println("Result after appending = " + sbf);
        System.out.println("We are lost -");
        sbf = new StringBuffer("We are lost -");
        astr = new Integer(515);
        // Here it appends string representation of Integer
        // argument to this string buffer
        sbf.append(astr);
        System.out.println("Result after appending = " + sbf);
    }
}

// Java program to illustrate the
// java.lang.StringBuffer.append()
import java.lang.*;
public class Geeks {
    public static void main(String[] args)
    {
        System.out.println("We are geeks and its really ");
        StringBuffer sbf = new StringBuffer("We are geeks and its ");
        Long astr = new Long(827);
        /* Here it appends string representation of  Long argument
         to this string buffer*/
        sbf.append(astr);
        System.out.println("Result after appending = " + sbf);
        System.out.println("We are lost -");
        sbf = new StringBuffer("We are lost -");
        astr = new Long(515);
        /* Here it appends string representation of Long argument
          to this string buffer*/
        sbf.append(astr);
        System.out.println("Result after appending = " + sbf);
    }
}

// Java program to illustrate the
// java.lang.StringBuffer.append()
import java.lang.*;
public class Geeks {
    public static void main(String[] args)
    {
        StringBuffer sbf = new StringBuffer("Geeksfor");
        System.out.println(" string buffer = " + sbf);
        CharSequence chSeq = "geeks";
        // Appends the CharSequence
        sbf.append(chSeq);
        // Print the string buffer after appending
        System.out.println("After append = " + sbf);
    }
}

// Java program to illustrate the
// java.lang.StringBuffer.append()
import java.lang.*;
public class Geeks {
    public static void main(String[] args)
    {
        StringBuffer sbf = new StringBuffer("we are the ");
        System.out.println(" string buffer = " + sbf);
        CharSequence chSeq = "wegeekss";
        /* It appends the CharSequence with start index 2 and 
       end index 4 */
        sbf.append(chSeq, 2, 7);
        System.out.println("After append string buffer = " + sbf);
    }
}

// Java program to illustrate the
// java.lang.StringBuffer.append()
import java.lang.*;
public class Geeks {
    public static void main(String[] args)
    {
        StringBuffer sbf = new StringBuffer("Geeksfor");
        System.out.println("string buffer = " + sbf);
        Object objectvalue = "geeks";
        // Here it appends the Object value
        sbf.append(objectvalue);
        System.out.println("After appending result is = " + sbf);
    }
}

// Java program to illustrate the
// java.lang.StringBuffer.append()
import java.lang.*;
public class Geeks {
    public static void main(String[] args)
    {
        StringBuffer sbf = new StringBuffer("Geeksfor");
        System.out.println("string buffer = " + sbf);
        String strvalue = "geeks";
        // Here it appends the Object value
        sbf.append(strvalue);
        System.out.println("After appending result is = " + sbf);
    }
}

// Java program to illustrate the
// java.lang.StringBuffer.append()
import java.lang.*;
public class Geeks {
    public static void main(String[] args)
    {
        StringBuffer sbf1 = new StringBuffer("Geeks");
        System.out.println("String buffer 1 = " + sbf1);
        StringBuffer sbf2 = new StringBuffer("forgeeks ");
        System.out.println("String buffer 2 = " + sbf2);
        // Here it appends stringbuffer2 to stringbuffer1
        sbf1.append(sbf2);
        System.out.println("After appending the result is = " + sbf1);
    }
}