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