How do you do exponents in java?
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How many types of memory areas are allocated by JVM in java?
How do you sort arraylist in descending order?
What is binary tree in java?
When can we say that threads are not lightweight process in java?
Which is best ide for java?
Why strings in java are called as immutable?
explain me with a code snippet about the generation and handling of null point exceptions.
What is purpose of find feature?
How do I know if java is installed?
What is the immediate superclass of the Dialog class?
Given: 10. interface A { void x(); } 11. class B implements A { public void x() { } public voidy() { } } 12. class C extends B { public void x() {} } And: 20. java.util.List list = new java.util.ArrayList(); 21. list.add(new B()); 22. list.add(new C()); 23. for (A a:list) { 24. a.x(); 25. a.y();; 26. } What is the result? 1 Compilation fails because of an error in line 25. 2 The code runs with no output. 3 An exception is thrown at runtime. 4 Compilation fails because of an error in line 20.
How do you escape json?