WebOct 29, 2024 · StringBuilder sb = new StringBuilder (); if (!str.isEmpty ()) { char [] chars = str.toCharArray (); Arrays.sort (chars); sb.append (chars [ 0 ]); for ( int i = 1; i < chars.length; i++) { if (chars [i] != chars [i - 1 ]) { sb.append (chars [i]); } } } WebApr 10, 2024 · StringBuilder in Java is a class used to create a mutable, or in other words, a modifiable succession of characters. Like StringBuffer, the StringBuilder class is an alternative to the Java Strings Class, as the Strings class provides an …

Java.lang.StringBuilder.getChars() Method - TutorialsPoint

WebThe java.lang.StringBuilder.getChars () method copies the characters from this sequence … WebMay 30, 2024 · The char array can be converted to String using the StringBuilder class in java. The StringBuilder class is also located in java.lang package of Java. StringBuilder also stores a sequence of characters. The major difference between String and StringBuilder is that String is immutable whereas StringBuilder is mutable. grated cabinet risers

StringBuilder getChars() in Java with Examples

WebFeb 22, 2024 · Array Interview Questions for Freshers 1. Mention some advantages and disadvantages of Arrays. 2. Difference between Array and ArrayList in Java. 3. What will happen if you do not initialize an Array? 4. What is the default value of Array in Java? 5. What is the time complexity for performing basic operations in an array? 6. WebApr 13, 2024 · Finally, we convert the StringBuilder to a usual string and get the reversed … WebJava StringBuilder getChars() method. The getChars(int srcBegin, int srcEnd, char[] dst, int … chloral hydrate in kbr