28 lines
684 B
Java
28 lines
684 B
Java
package Strings;
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public class CharactersSame {
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/** Driver Code */
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public static void main(String[] args) {
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assert isAllCharactersSame("");
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assert !isAllCharactersSame("aab");
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assert isAllCharactersSame("aaa");
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assert isAllCharactersSame("11111");
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}
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/**
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* check if all the characters of a string are same
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*
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* @param s the string to check
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* @return {@code true} if all characters of a string are same, otherwise {@code false}
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*/
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public static boolean isAllCharactersSame(String s) {
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for (int i = 1, length = s.length(); i < length; ++i) {
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if (s.charAt(i) != s.charAt(0)) {
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return false;
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}
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}
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return true;
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}
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}
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