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Category Archives: Java Programs

An incidence matrix is simply a matrix that contains information about the relationship between objects (or instances) of any two classes. The rows of the… Read More
Let’s look at the System of Linear Equation with the help of an example: The input of coefficients and variables is taken into play for… Read More
To replace an element in Java ArrayList, set() method of java.util. An ArrayList class can be used. The set() method takes two parameters-the indexes of… Read More
ArrayList is a resizable array. It is under the java package java.util. It gives dynamic arrays in Java. ArrayList is useful in programs where a… Read More
Sorting the contents of a table means rearranging the records in an organized way to make data more usable. You can sort all the records… Read More
Before deleting a column in a table, first is need to connect the java application to the database. Java has its own API which JDBC… Read More
remove() method is used to remove elements from a collection. It removes the element at the specified position in this list. Shifts any subsequent elements… Read More
ArrayList is a part of collection framework and is present in java.util package. It provides us with dynamic arrays in Java. In order to convert… Read More
We can swap two elements of Array List using Collections.swap() method. This method accepts three arguments. The first argument is the ArrayList and the other… Read More
ArrayList in Java do not prevent the list from having duplicate values. But there are ways if you want to get unique values from the… Read More
Considering a string object that contains the student name and roll number separated by a comma, and each student contains the name and roll number… Read More
Serialization is the process by which we convert an object into a stream of bytes and store these bytes in file systems/databases or put them… Read More
An object is an instance of a class that has its state and behavior. In java, being object-oriented, it is always dynamically created and automatically… Read More
The clone() method of the ArrayList class is used to clone an ArrayList to another ArrayList in Java as it returns a shallow copy of… Read More
Java has its own API which JDBC API which uses JDBC drivers for database connections. JDBC API provides the applications-to-JDBC connection and JDBC driver provides… Read More

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