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What is the right data type to represent a price in Java? Answer: BigDecimal, if memory is not a concern and Performance, is not critical, otherwise double with predefined precision. What is a class in Java? Answer: Java encapsulates the codes in various classes which define new data types. These new data types are used to create objects.
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The Java interpreter along with the runtime environment required to run the Java application in called as Java virtual machine JVM. What is the most important feature of Java? What do you mean by platform independence? Platform independence means that we can write and compile the java code in one platform eg Windows and can execute the class in any other supported platform eg Linux,Solaris,etc. JDK is Java Development Kit which is for development purpose and it includes execution environment also.
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What is the difference between an Inner Class and a Sub-Class? Ans: An Inner class is a class which is nested within another class. An Inner class has access rights for the class which is nesting it and it can access all variables and methods defined in the outer class. A sub-class is a class which inherits from another class called super class. Sub-class can access all public and protected methods and fields of its super class. What are the various access specifiers for Java classes?
Login to Your Account. Remember Me? Register Forget Password. Results 1 to 5 of 5. Popular topic for study. LDPC codes are linear block codes with a particular structure for the parity check matrix Read this topic.