CORE API / NOTES</>↗Core API04 Feb 2008
In this example you’ll see how we can convert a java.math.BigInteger number into another radix such as binary, octal and hexadecimal. package org.kodejava.math; import java.math.BigInteger; public class BigIntegerConversion { public static void main(String[] args) { BigInteger number = new BigInteger("2021"); System.out.println("Number = " + number); System.out.println("Binary = " + number.toString(2)); System.out.println("Octal = " + number.toString(8)); […]
CORE API / NOTES</>↗Core API31 Jan 2008
package org.kodejava.math; import java.math.BigDecimal; import java.math.RoundingMode; public class BigDecimalOperation { public static void main(String[] args) { BigDecimal decimalA = new BigDecimal("98765432123456789"); BigDecimal decimalB = new BigDecimal("10"); decimalA = decimalA.add(decimalB); System.out.println("decimalA = " + decimalA); decimalA = decimalA.multiply(decimalB); System.out.println("decimalA = " + decimalA); decimalA = decimalA.subtract(decimalB); System....
CORE API / NOTES</>↗Core API29 Jan 2008
package org.kodejava.math; import java.math.BigInteger; public class BigIntegerOperation { public static void main(String[] args) { BigInteger numberA = new BigInteger("98765432123456789"); BigInteger numberB = BigInteger.TEN; numberA = numberA.add(numberB); System.out.println("numberA = " + numberA); numberA = numberA.multiply(numberB); System.out.println("numberA = " + numberA); numberA = numberA.subtract(numberB); System.out.println("numberA = " + numberA); numberA = numbe...
CORE API / NOTES</>↗Core API27 Jan 2008
package org.kodejava.lang; import java.util.Calendar; import java.math.BigDecimal; public class ClassName { public static void main(String[] args) { // Get the name of the classes below. Class<?> clazz = String.class; System.out.println("Class Name: " + clazz.getName()); clazz = Calendar.class; System.out.println("Class Name: " + clazz.getName()); clazz = BigDecimal.class; System.out.println("Class Name: " + clazz.getName()); } } The result of the […]
CORE API / NOTES</>↗Core API23 Jan 2008
package org.kodejava.lang; public class CheckForInterface { public static void main(String[] args) { // Checking whether Cloneable is an interface or class Class<?> clazz = Cloneable.class; boolean isInterface = clazz.isInterface(); System.out.println(clazz.getName() + " is an interface = " + isInterface); // Checking whether String is an interface or class clazz = String.class; isInterface = clazz.isInterface(); System.out.println(clazz.getName() […]
CORE API / NOTES</>↗Core API20 Jan 2008
The getClass().getInterfaces() method return an array of Class that represents the interfaces implemented by an object. package org.kodejava.lang; import java.util.Date; import java.util.Calendar; public class ClassInterfaces { public static void main(String[] args) { // Get an instance of Date class Date date = Calendar.getInstance().getTime(); // Get all interfaces implemented by the java.util.Date class and // print […]
