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...
Here are four different ways you can use to convert an int to String in Java. Most of them are very similar to what we have used to convert an Integer to a String because you can easily convert an int to Integer using Autoboxing. Some method reuses each other like valueOf(), which i...
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...
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. ...
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...
In this Tutorial We will see How to convert int into string in java using Integer.toString() , String.valueOf() , String.format() and StringBuffer or StringBuilder
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(); } } ...
由于Java String支持Unicode,因此可以使用Unicode来表示非英语字符,我们还可以使用相同的位掩码技术将Unicode字符串转换为二进制字符串。 This example converts a single Chinese character你(It meansyouin English) to a binary string. packagecom.mkyong.crypto.bytes;importjava.nio.charset.StandardCharsets;importja...
Example: Convert InputStream to String import java.io.*; public class InputStreamString { public static void main(String[] args) throws IOException { InputStream stream = new ByteArrayInputStream("Hello there!".getBytes()); StringBuilder sb = new StringBuilder(); String line; BufferedReader br...