Found 9326 Articles for Object Oriented Programming

The equality of two buffers can be checked using the method equals() in the class java.nio.DoubleBuffer. Two buffers are equal if they have the same type of elements, the same number of elements and the same sequence of elements. The method equals() returns true if the buffers are equal and false otherwise.A program that demonstrates this is given as follows −Example Live Demoimport java.nio.*; import java.util.*; public class Demo {    public static void main(String[] args) {       int n = 5;       try {          DoubleBuffer buffer1 = DoubleBuffer.allocate(n);         ... Read More

A new DoubleBuffer with the content as a shared subsequence of the original DoubleBuffer can be created using the method slice() in the class java.nio.DoubleBuffer. This method returns the new DoubleBuffer that is read-only if the original buffer is read-only and direct if the original buffer is direct.A program that demonstrates this is given as follows −Example Live Demoimport java.nio.*; import java.util.*; public class Demo {    public static void main(String[] args) {       int n = 5;       try {          DoubleBuffer buffer1 = DoubleBuffer.allocate(n);          buffer1.put(4.5D);       ... Read More

A buffer can be compared with another buffer using the method compareTo() in the class java.nio.DoubleBuffer. This method returns a negative integer if the buffer is less than the given buffer, zero if the buffer is equal to the given buffer and a positive integer if the buffer is greater than the given buffer.A program that demonstrates this is given as follows −Example Live Demoimport java.nio.*; import java.util.*; public class Demo {    public static void main(String[] args) {       int n = 5;       try {          DoubleBuffer buffer1 = DoubleBuffer.allocate(n);     ... Read More

A read-only double buffer can be created using the contents of a buffer with the method asReadOnlyBuffer() in the class java.nio.DoubleBuffer. The new buffer cannot have any modifications as it is a read-only buffer. However, the capacity, positions, limits etc. of the new buffer are the same as the previous buffer.A program that demonstrates this is given as follows −Example Live Demoimport java.nio.*; import java.util.*; public class Demo {    public static void main(String[] args) {       int n = 5;       try {          DoubleBuffer buffer = DoubleBuffer.allocate(5);          buffer.put(4.5D); ... Read More

The buffer can be compacted using the compact() method in the class java.nio.DoubleBuffer. This method does not require a parameter and it returns the new compacted DoubleBuffer with the same content as the original buffer. If the buffer is read-only, then the ReadOnlyBufferException is thrown.A program that demonstrates this is given as follows −Example Live Demoimport java.nio.*; import java.util.*; public class Demo {    public static void main(String[] args) {       int n = 5;       try {          DoubleBuffer buffer = DoubleBuffer.allocate(n);          buffer.put(1.2D);          buffer.put(3.9D);   ... Read More

A new DoubleBuffer can be allocated using the method allocate() in the class java.nio.DoubleBuffer. This method requires a single parameter i.e. the capacity of the buffer. It returns the new DoubleBuffer that is allocated. If the capacity provided is negative, then the IllegalArgumentException is thrown.A program that demonstrates this is given as follows −Example Live Demoimport java.nio.*; import java.util.*; public class Demo {    public static void main(String[] args) {       int n = 5;       try {          DoubleBuffer buffer = DoubleBuffer.allocate(5);          buffer.put(4.5D);          buffer.put(1.2D);   ... Read More

A duplicate buffer of a buffer can be created using the method duplicate() in the class java.nio.DoubleBuffer. This duplicate buffer is identical to the original buffer. The method duplicate() returns the duplicate buffer that was created.A program that demonstrates this is given as follows −Example Live Demoimport java.nio.*; import java.util.*; public class Demo {    public static void main(String[] args) {       int n = 5;       try {          DoubleBuffer buffer1 = DoubleBuffer.allocate(5);          buffer1.put(4.5D);          buffer1.put(1.2D);          buffer1.put(3.9D);          buffer1.put(7.5D); ... Read More

The required value can be written at the current position of the buffer and then the current position is incremented using the method put() in the class java.nio.DoubleBuffer. This method requires a single parameter i.e. the value to be written in the buffer and it returns the buffer in which the value is inserted.A program that demonstrates this is given as follows −Example Live Demoimport java.nio.*; import java.util.*; public class Demo {    public static void main(String[] args) {       int n = 5;       try {          DoubleBuffer buffer = DoubleBuffer.allocate(5);     ... Read More

It can be checked if a buffer has the backing of an accessible double array by using the method hasArray() in the class java.nio.DoubleBuffer. This method returns true if the buffer has the backing of an accessible double array and false otherwise.A program that demonstrates this is given as follows −Example Live Demoimport java.nio.*; import java.util.*; public class Demo {    public static void main(String[] args) {       int n = 5;       try {          DoubleBuffer buffer = DoubleBuffer.allocate(5);          buffer.put(4.5D);          buffer.put(1.2D);         ... Read More

The offset of the first element of the buffer inside the buffer array is obtained using the method arrayOffset() in the class java.nio.DoubleBuffer. If the buffer backed by the array is read-only, then the ReadOnlyBufferException is thrown.A program that demonstrates this is given as follows −Example Live Demoimport java.nio.*; import java.util.*; public class Demo {    public static void main(String[] args) {       int n = 5;       try {          DoubleBuffer buffer = DoubleBuffer.allocate(5);          buffer.put(4.5D);          buffer.put(1.2D);          buffer.put(3.9D);         ... Read More