Hi Friend,

Try the following codes:

1)
class Program1{
public static void main(String args[]){
for(int i=1;i<=5;i+=2){
System.out.println("");
for(int j=1;j<=i;j++)
System.out.print("*");
}
System.out.println("");
for(int i=3;i>=0;i-=2){
for(int j=0;j<i;j++){
System.out.print("*");
}
System.out.println();
}
}
}

2)
class Program1{
public static void main(String[] args) {
String st="STRING";
char ch[]=st.toCharArray();
for(int i=0;i<ch.length;i++){
System.out.println(ch[i]);
}
st = new StringBuffer(st).reverse().toString();
char ch1[]=st.toCharArray();
for(int i=1;i<ch1.length;i++){
System.out.println(ch1[i]);
}
}
}

Thanks