Qun : What is Java. ? Ans : Java is a object based programming language ,its used for creating applications like as web application, windows application and for much more useful. and also other hand we can say "Java is the most widely used programming language which totally depende on platform." Qun : What is Platform in java / Why java Platform independent. Ans : A Platform is hardware and software environment where runs the java programs.so java need the platform environment. Qun : What is java program.? Ans : A java program consist of set of java instruction or keywords,some inbuilt classes, some other rules to makes a program. Qun : What is JRE in java.? Ans : JRE stands for Java Runtime Environment.its a java software and also with contains a JVM(Java Virtual Machine ).its we can say a platform. Qun : What is JVM in java.? Ans : First of all , JVM stands for Java Virtual Machine,It is a abstract machine which java source code convert into byte code, so jvm is platform dependent. Qun :- What is object. ? Ans : Object is a real entity that overall on the earth,and also we can say its a daily usage things which available on the everywhere like as chairs,car,birds,animals computers and much more things,But in technical term we can say its data. Qun : What is Object Oriented.? Ans : Object Oriented means we organize as a combination of different type of objects that incorporates both data and behavior. Qun : What is OOPs .? Ans : OOPs means Object Oriented Programming Language,its a methodology that simplify software development and maintaince by providing some rules,like as Object,Class,Inheritance,Polymorphism, Abstraction, and Encapsulation,its we can say java's fetures. Qun : How many features in java.? Ans : There are many features in java, and also known as buzzword,lets see them,, 1- Simple 2- Object Oriented 3- Platform Independent 4- Secured 5- Robust=Strong 6- Architecture Nutral 7- Portable 8- Dynamic 9- Interpreted 10- High Performance 11- MultiThreaded 12- Distributed Lets see an example of first java program and describe the all attributes that included : public class FirstJava // class declaration step { // opening braces of class block public static void main(String args[]) //main method declaration { //opening braces of main method System.out.println("Hello Java Programmer!!!!!!"); // printing } // closing braces of main method } // closing braces of class block Output : Hello Java Programmer!!!!!
Qun : What is Java. ? Ans : Java is a object based programming language ,its used for creating applications like as web application, windows application and for much more useful. and also other hand we can say "Java is the most widely used programming language which totally depende on platform." Qun : What is Platform in java / Why java Platform independent. Ans : A Platform is hardware and software environment where runs the java programs.so java need the platform environment. Qun : What is java program.? Ans : A java program consist of set of java instruction or keywords,some inbuilt classes, some other rules to makes a program. Qun : What is JRE in java.? Ans : JRE stands for Java Runtime Environment.its a java software and also with contains a JVM(Java Virtual Machine ).its we can say a platform. Qun : What is JVM in java.? Ans : First of all , JVM stands for Java Virtual Machine,It is a abstract machine which java source code convert into byte code, so jvm is platform dependent. Qun :- What is object. ? Ans : Object is a real entity that overall on the earth,and also we can say its a daily usage things which available on the everywhere like as chairs,car,birds,animals computers and much more things,But in technical term we can say its data. Qun : What is Object Oriented.? Ans : Object Oriented means we organize as a combination of different type of objects that incorporates both data and behavior. Qun : What is OOPs .? Ans : OOPs means Object Oriented Programming Language,its a methodology that simplify software development and maintaince by providing some rules,like as Object,Class,Inheritance,Polymorphism, Abstraction, and Encapsulation,its we can say java's fetures. Qun : How many features in java.? Ans : There are many features in java, and also known as buzzword,lets see them,, 1- Simple 2- Object Oriented 3- Platform Independent 4- Secured 5- Robust=Strong 6- Architecture Nutral 7- Portable 8- Dynamic 9- Interpreted 10- High Performance 11- MultiThreaded 12- Distributed Lets see an example of first java program and describe the all attributes that included : public class FirstJava // class declaration step { // opening braces of class block public static void main(String args[]) //main method declaration { //opening braces of main method System.out.println("Hello Java Programmer!!!!!!"); // printing } // closing braces of main method } // closing braces of class block Output : Hello Java Programmer!!!!!
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