Java 通过插入将值添加到StringBuffer

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public class Main {

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 /**来 自 时代Java - nowjava.com**/

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  public static void main(String[] args) {

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    boolean b = true;

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    StringBuffer sb1 =  new StringBuffer("Hello  World");

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    sb1.insert(6,b);

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    System.out.println(sb1);

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    char c = 'Y';

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    StringBuffer sb2 =  new StringBuffer("Hello  World");

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    sb2.insert(6,c);

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    System.out.println(sb2);

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    char[] c1 = new char[] {'Y','e','s'};/** 来 自 时 代 J a v a 公 众 号**/

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    StringBuffer sb3 =  new StringBuffer("Hello  World");

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    sb3.insert(6,c1);

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    System.out.println(sb3);

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    double d = 12.0;

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    StringBuffer sb4 =  new StringBuffer("Hello  World");

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    sb4.insert(6,d);

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    System.out.println(sb4);

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    float f = 12.0f;

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    StringBuffer sb5 =  new StringBuffer("Hello  World");

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    sb5.insert(6,f);

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    System.out.println(sb5);

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    int i = 51;

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    StringBuffer sb6 =  new StringBuffer("Hello  World");

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    sb6.insert(6,i);

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    System.out.println(sb6);

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    long l = 110;

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    StringBuffer sb7 =  new StringBuffer("Hello  World");

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    sb7.insert(6,l);

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    System.out.println(sb7);

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    Object obj = new String("My ttt");

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    StringBuffer sb8 =  new StringBuffer("Hello  World");

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