AmitDiwan has Published 3720 Answers

CharMatcher Class in Java

AmitDiwan
AmitDiwan
Published on 02-Jan-2020 11:24:08
The CharMatcher class determines a true or false value for any Java char value, just as Predicate does for any Object.Sr.NoMethods & Description1CharMatcher and(CharMatcher other)Returns a matcher that matches any character matched by both this matcher and other.2static CharMatcher anyOf(CharSequence sequence)Returns a char matcher that matches any character present in ... Read More

Character Class in Java

AmitDiwan
AmitDiwan
Published on 02-Jan-2020 11:20:49
The Character class wraps a value of the primitive type char in an object. An object of class Character contains a single field whose type is char.Following are some of the methods of the Character class −Modifier and TypeMethod and Descriptionstatic intcharCount(int codePoint)Determines the number of char values needed to ... Read More

Java example to return a string representation of the deep contents of the array

AmitDiwan
AmitDiwan
Published on 02-Jan-2020 11:18:16
To return a string representation of the deep contents of the specified array −Example Live Demoimport java.util.Arrays; public class Demo {    public static void main(String[] args) {       Object[] ob = {"One", "Two", "Three", "Four"};       System.out.println("Array elements...");       for (Object value : ob) ... Read More

Remove all elements from the ArrayList in Java

AmitDiwan
AmitDiwan
Published on 02-Jan-2020 11:14:43
To remove all elements from ArrayList in Java, let us first create an ArrayList with some elements −ArrayList<Integer> arrlist = new ArrayList<Integer>(5); arrlist.add(25); arrlist.add(50); arrlist.add(75); arrlist.add(100); arrlist.add(150); arrlist.add(200); arrlist.add(250);Now, let us remove all the elements −arrlist.clear();ExampleLet us now see the complete code − Live Demoimport java.util.ArrayList; public class Demo {   ... Read More

BinaryOperator Interface in Java

AmitDiwan
AmitDiwan
Published on 02-Jan-2020 11:10:02
The BinaryOperator interface represents an operation upon two operands of the same type, producing a result of the same type as the operands.Following are the methods −Modifier and TypeMethod and DescriptionmaxBy(Comparator<? super T> comparator)Returns a BinaryOperator which returns the greater of two elements according to the specified Comparator.minBy(Comparator<? super T> ... Read More

CaseFormat Class in Java

AmitDiwan
AmitDiwan
Published on 02-Jan-2020 11:06:48
The CaseFormat class is a utility class for converting between various ASCII case formats −Modifier and TypeMethod and DescriptionObjectclone()Overrides Cloneable.booleanequals(Object obj)Overrides equals.String.format(double number)Specialization of format.abstract StringBufferformat(double number, StringBuffer toAppendTo, FieldPosition pos)Specialization of format.Stringformat(long number)Specialization of format.abstract StringBufferformat(long number, StringBuffer toAppendTo, FieldPosition pos)Specialization of format.ExampleLet us now see an example to ... Read More

NumberFormat class in Java

AmitDiwan
AmitDiwan
Published on 02-Jan-2020 11:02:30
NumberFormat helps you to format and parse numbers for any locale. It is the abstract base class for all number formats.Following are some of the methods of the NumberFormat class−Modifier and TypeMethod and DescriptionObjectclone()Overrides Cloneable.booleanequals(Object obj)Overrides equals.String.format(double number)Specialization of format.abstract StringBufferformat(double number, StringBuffer toAppendTo, FieldPosition pos)Specialization of format.Stringformat(long number)Specialization of ... Read More

Byte Class Fields in Java with example

AmitDiwan
AmitDiwan
Published on 02-Jan-2020 10:59:17
The Byte class wraps a value of primitive type byte in an object.Following are the fields for Byte class−static byte MAX_VALUE − This is constant holding the maximum value a byte can have, 27-1.static byte MIN_VALUE − This is constant holding the minimum value a byte can have, -27.static int ... Read More

Byte Class in Java

AmitDiwan
AmitDiwan
Published on 02-Jan-2020 10:55:56
The Byte class wraps a value of primitive type byte in an object. An object of type Byte contains a single field whose type is byte.Following are some of the methods of the Byte class −Sr.No.Method & Description1byte byteValue()This method returns the value of this Byte as a byte.2int compareTo(Byte ... Read More

Booleans Class in Java

AmitDiwan
AmitDiwan
Published on 02-Jan-2020 10:52:26
The Boolean class wraps a value of the primitive type boolean in an object. An object of type Boolean contains a single field whose type is boolean.Following are the fields of the Boolean class −static Boolean FALSE − This is the Boolean object corresponding to the primitive value false.static Boolean ... Read More
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