There arethree waysto access one class from another: Same package: Direct access using an object. Different package: Use import andpublic access modifier. Static members: Access via ClassName.methodName(). Example: // File: MyClass.java (in package mypackage) package mypackage; public class My...
Top Java Interview Questions And Answers – Set 3 1) What is the default size of the load factor in the hashing-based collection? The default size is 0.75 and the default capacity is computed as Initial capacity * Load factor. 2) What is a package? A Package is a collection of related...
8. What is the difference between a local variable and an instance variable? In Java, a local variable is typically used inside a method, constructor, or a block and has only local scope. Thus, this variable can be used only within the scope of a block. The best benefit of having a ...
↑↑ Scroll up to the list of Java questions[Question #10 – Rectangle – Algorithms]Write a method named “contains” that accepts a point (x, y) and returns true if the point occurs within a rectangle, false otherwise. Do not use the features of the java.awt.geom package.Why this ...
The JDBC 2.0 API includes the complete JDBC API, which includes both core and Optional Package API, and provides inductrial-strength database computing capabilities. New Features in JDBC 2.0 Core API: 9.1Scrollable result sets - using new methods in the ResultSet interface allows programmatically mo...
packagecom.journaldev.access;publicclassSuperClass{publicSuperClass(){}publicSuperClass(inti){}publicvoidtest(){System.out.println("super class test method");}} Copy Use of super keyword can be seen in below child class implementation.
Stringis a class in Java and is defined in thejava.langpackage. It’s not a primitive data type likeintandlong. TheStringclass represents character strings.Stringis used in almost all Java applications.Stringin immutable and final in Java and the JVM uses a string pool to store all theStri...
packagemypack; publicclassEmployeeimplementsjava.io.Serializable{ privateintid; privateString name; publicEmployee(){} publicvoidsetId(intid){this.id=id;} publicintgetId(){returnid;} publicvoidsetName(String name){this.name=name;} 10.publicString getName(){returnname;} ...
package.json Update branch in github workflow Jun 23, 2024 Repository files navigation README java-interview-questionsFrequently asked Java Interview questionsTable of ContentsNo.Questions 1 What are the differences between JVM, JRE and JDK? 2 Why Java is platform-independent language 3 How does JVM...
20 Java Collections Interview Questions In java, collection interview questions are mostly asked by the interviewers. Here is the list of mostly asked