StringBuilderandStringBufferobjects can be used to convertLongtoString: Stringstr1=newStringBuilder().append(l).toString();Stringstr2=newStringBuilder().append(obj).toString(); str2will be “null” ifobjisnull. 8. UseDecimalFormat Finally, we can use theformat()method of aDecimalFormatobject: S...
import java.util.stream.IntStream; class Main { public static void main(String[] args) { String input = "Techie Delight"; // Convert `IntStream` to `String` String string = input.codePoints() // IntStream .collect(StringBuilder::new, // supplier StringBuilder::appendCodePoint, // accumu...
(buf, charset)); } /** * Print a byte array as a String */ public static String toString(byte[] bytes) { StringBuilder sb = new StringBuilder(4 * bytes.length); sb.append("["); for (int i = 0; i < bytes.length; i++) { sb.append(unsignedByteToInt(bytes[i])); if (i...
j a v a 2 s.c om public static String arrayToString(String[] stringArray, String string) { StringBuilder builder = new StringBuilder(); for (String str : stringArray) { builder.append(str + string); } return builder.toString(); } } ...
Remember, String concatenation is replaced withStringBuilder append()callinternally. You can also go through theJava Fundamentals: The Java Languageto learn more about how JVM works out String concatenation and how the Java compiler helps there. ...
}publicstaticStringconvertStringToBinary(String input){StringBuilderresult=newStringBuilder();char[] chars = input.toCharArray();for(charaChar : chars) { result.append(String.format("%8s", Integer.toBinaryString(aChar)).replaceAll(" ","0"));// char -> int, auto-cast zero pads}returnresult...
import java.util.regex.Pattern; import java.lang.StringBuilder; class Solution{ static String toCamelCase(String s){ Matcher m = Pattern.compile("[_|-](\\w)").matcher(s); StringBuffer sb = new StringBuffer(); while (m.find()) { m.appendReplacement(sb, m.group(1).toUpperCase());...
How to convert Double to Long in Java? What is the difference in String pool between Java 6 and 7? How to convert Array to String in Java? Difference between String literal and new String in Java? 10 Difference between StringBuffer and StringBuilder in Java?
String concatenation str = "" + c;is the worst way to convert char to string because internally it’s done bynew StringBuilder().append("").append(c).toString()that is slow in performance. Let’s look at the two methods to convert char array to string in java program. ...
public static String display(byte[] b1) { StringBuilder strBuilder = new StringBuilder(); for(byte val : b1) { strBuilder.append(String.format("%02x", val&0xff)); } return strBuilder.toString(); } To Convert byte Array to Hex String in Java is quite easy. Let's learn the following...