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Found 4338 Articles for Java 8
![karthikeya Boyini](https://www.tutorialspoint.com/assets/profiles/13518/profile/60_31598-1537784993.jpg)
278 Views
Floating-point conversion characters include the following.CharacterDescription%edecimal number in computerized scientific notation%Edecimal number in computerized scientific notation%fdecimal number%gbased on computerized scientific notation or decimal format, %Gbased on computerized scientific notation or decimal format, Example Live Demopublic class Demo { public static void main(String[] args) throws Exception { System.out.printf("Integer conversions..."); System.out.printf( "Integer: %d", 889 ); System.out.printf( "Negative Integer: %d", -78 ); System.out.printf( "Octal: %o", 677 ); System.out.printf( "Hexadecimal: %x", 56 ); System.out.printf( "Hexadecimal: %X", 99 ); System.out.printf("Floating-point conversions..."); ... Read More
![Samual Sam](https://www.tutorialspoint.com/assets/profiles/13514/profile/60_83486-1512649303.jpg)
108 Views
Intergral conversion characters include the following.CharacterDescription%dInteger%oOctal%xHexadecimal%XHexadecimalExample Live Demopublic class Demo { public static void main(String[] args) throws Exception { System.out.printf( "Integer: %d", 889 ); System.out.printf( "Negative Integer: %d", -78 ); System.out.printf( "Octal: %o", 677 ); System.out.printf( "Hexadecimal: %x", 56 ); System.out.printf( "Hexadecimal: %X", 99 ); } }OutputInteger: 889 Negative Integer: -78 Octal: 1245 Hexadecimal: 38 Hexadecimal: 63
![karthikeya Boyini](https://www.tutorialspoint.com/assets/profiles/13518/profile/60_31598-1537784993.jpg)
386 Views
Use the ‘c’ date conversion character to display UNIX date format in Java.System.out.printf("Unix date format: %tc",d);Above, d is a date object.Date d = new Date();Example Live Demoimport java.util.Date; import java.text.DateFormat; import java.text.SimpleDateFormat; public class Demo { public static void main(String[] args) throws Exception { Date d = new Date(); System.out.printf("Unix date format: %tc",d); System.out.printf("Unix date format: %Tc",d); } }OutputUnix date format: Mon Nov 26 12:24:10 UTC 2018 Unix date format: MON NOV 26 12:24:10 UTC 2018
![Samual Sam](https://www.tutorialspoint.com/assets/profiles/13514/profile/60_83486-1512649303.jpg)
745 Views
Use the ‘F’ date conversion character to display ISO 8601 standard date.System.out.printf("ISO 8601 standard date = %tF", d);Above, d is a date object.Date d = new Date();Example Live Demoimport java.util.Date; import java.text.DateFormat; import java.text.SimpleDateFormat; public class Demo { public static void main(String[] args) throws Exception { Date d = new Date(); System.out.printf("Four-digit Year = %TY",d); System.out.printf("Two-digit Year = %ty",d); System.out.printf("ISO 8601 standard date = %tF", d); } }OutputFour-digit Year = 2018 Two-digit Year = 18 ISO 8601 standard date = 2018-11-26
![karthikeya Boyini](https://www.tutorialspoint.com/assets/profiles/13518/profile/60_31598-1537784993.jpg)
850 Views
Let’s say we have the following string.String str = "Demo Text!";To copy some part of the above string, use the getChars() method.// copy characters from string into chArray =str.getChars( 0, 5, chArray, 0 );The following is an example to copy characters from string into char Array in Java.Example Live Demopublic class Demo { public static void main(String[] args) { String str = "Demo Text!"; char chArray[] = new char[ 5 ]; System.out.println("String: "+str); // copy characters from string into chArray str.getChars( 0, 5, chArray, 0 ... Read More
![Samual Sam](https://www.tutorialspoint.com/assets/profiles/13514/profile/60_83486-1512649303.jpg)
225 Views
Use the toCharArray() method in Java to create character arrays from string objects. The following is our string.String str = "This is it!";Now, let us create character array from the above string.char[] strArr = str.toCharArray();Example Live Demopublic class Demo { public static void main(String[] args) { String str = "This is it!"; char[] strArr = str.toCharArray(); for(char res: strArr) { System.out.println(res); } } }OutputT h i s i s i t !Let us see another example in which we are creating ... Read More
![Samual Sam](https://www.tutorialspoint.com/assets/profiles/13514/profile/60_83486-1512649303.jpg)
243 Views
To get the characters in a string as an array of bytes, use the getBytes() method.Let’s say we have the following string.String str = "Demo Text!";Convert it to array of bytes.byte[] arr = str.getBytes();Example Live Demopublic class Demo { public static void main(String[] args) { String str = "Demo Text!"; // getting as an array of bytes byte[] arr = str.getBytes(); // displaying each character as a Byte value for(byte res: arr) { System.out.println(res); } } }Output68 101 109 111 32 84 101 120 116 33
![Samual Sam](https://www.tutorialspoint.com/assets/profiles/13514/profile/60_83486-1512649303.jpg)
747 Views
The valueOf() method is used in Java to convert byte to string.Let’s say we have the following byte value.byte val = 40;Converting the above byte to string.String.valueOf(val);Example Live Demopublic class Demo { public static void main(String[] args) { byte val = 40; // converting String str = String.valueOf(val); System.out.println("String: "+str); } }OutputString: 40
![karthikeya Boyini](https://www.tutorialspoint.com/assets/profiles/13518/profile/60_31598-1537784993.jpg)
573 Views
The Integer.toOctalString() method in Java converts int to octal string.Let’s say the following are our integer values.int val1 = 9; int val2 = 20; int val3 = 2;Convert the above int values to octal string.Integer.toOctalString(val1); Integer.toOctalString(val2); Integer.toOctalString(val3);Example Live Demopublic class Demo { public static void main(String[] args) { int val1 = 9; int val2 = 20; int val3 = 30; int val4 = 78; int val5 = 2; System.out.println("Converting integer "+val1+" to Octal String: "+Integer.toOctalString(val1)); System.out.println("Converting ... Read More
![Samual Sam](https://www.tutorialspoint.com/assets/profiles/13514/profile/60_83486-1512649303.jpg)
4K+ Views
The Integer.toBinaryString() method in Java converts int to binary string.Let’s say the following are our integer values.int val1 = 9; int val2 = 20; int val3 = 2;Convert the above int values to binary string.Integer.toBinaryString(val1); Integer.toBinaryString(val2); Integer.toBinaryString(val3);Example Live Demopublic class Demo { public static void main(String[] args) { int val1 = 9; int val2 = 20; int val3 = 30; int val4 = 78; int val5 = 2; System.out.println("Converting integer "+val1+" to Binary String: "+Integer.toBinaryString(val1)); System.out.println("Converting integer "+val2+" to ... Read More