Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;

public class Main {

    public static boolean isAllDigit(String str) {
        if (!str.equals("") && str.length() > 0) {
            int len = 0;
            for (int idx = 0; idx < str.length(); idx++) {
                if (Character.isDigit(str.charAt(idx))) {
                    len++;
                }
            }
            if (len == str.length()) {
                return true;
            }
        }
        return false;
    }
}