public class Main {
public static void main(String[] args) {
boolean b = true;
StringBuffer sb1 = new StringBuffer("1234567890");
sb1.insert(6, b);
System.out.println(sb1);
char c = 'Y';
sb1.insert(6, c);
System.out.println(sb1);
char[] c1 = new char[] { 'Y', 'e', 's' };
sb1.insert(6, c1);
System.out.println(sb1);
double d = 1.0;
sb1.insert(6, d);
System.out.println(sb1);
float f = 2.0f;
sb1.insert(6, f);
System.out.println(sb1);
int i = 5;
sb1.insert(6, i);
System.out.println(sb1);
long l = 10;
sb1.insert(6, l);
System.out.println(sb1);
Object obj = new String("b");
sb1.insert(6, obj);
System.out.println(sb1);
String str = "a";
sb1.insert(6, str);
System.out.println(sb1);
}
}
/*
123456true7890
123456Ytrue7890
123456YesYtrue7890
1234561.0YesYtrue7890
1234562.01.0YesYtrue7890
12345652.01.0YesYtrue7890
1234561052.01.0YesYtrue7890
123456b1052.01.0YesYtrue7890
123456ab1052.01.0YesYtrue7890
*/