8)Given array of
string check whether all the elements contains only digits not any alaphabets.
if condn
satisfied print 1 else -1.
Input:{"123","23.14","522"}
output:1
Input1:{"asd","123","42.20"}
output:-1
package Set2;
public class
ClassSET8 {
public static
void main(String[] args) {
String[]
input1={"123","23.14","522"};
//String[]
input1={"asd","123","42.20"};
System.out.println(stringOfDigits(input1));
}
public static int
stringOfDigits(String[] input1) {
int n=0;
for(int i=0;i<input1.length;i++){
String s1=input1[i];
for(int j=0;j<s1.length();j++){
char c1=s1.charAt(j);
if(Character.isDigit(c1))
n=1;
else {n=-1;break;} }}
return n;
}
}