What is the difference between heap memory and stack memory?
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What do you mean by checked exceptions?
What is class forname?
What is static import in java?
Define an applet in java?
what is Thread?
What advantage does an entity bean have over a sessin bean?
Is it possible to write JAVA program without including any of the packages,such as "import java.io.*"; bcoz I instantly wrote a code without "import..." statement and runned the program on command Line & it worked. the code is: class Person { String name; int age; Person(String s,int a) { name = s; age = a; } accept() { System.out.println(name+"Hi!!!!!"); System.out.println(age); } } class Demo { public static void main(Strings args[])throws IOException { String name = args[0]; int age = Integer.parseInt(args[1]); Person p = new Person(name,age); p.accept(); } }
What are autoboxing and unboxing? When does it occur?
Is treeset sorted in java?
How to sort double array in java?
What do you mean by synchronized non access modifier?
What 4 doubled?