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What is the output of following program? abstract class Sum { public abstract int sumOfTwo(int n1, int n2); public abstract int sumOfThree(int n1, int n2, int n3); public void disp( ){ System.out.println("Method of class Sum"); } } class DemoAbstract1 extends Sum { public int sumOfTwo(int num1, int num2) { return num1+num2; } public int sumOfThree(int num1, int num2, int num3) { return num1+num2+num3; } public static void main(String args[ ]){ Sum obj = new DemoAbstract1( ); System.out.println(obj.sumOfTwo(3, 7)); System.out.println(obj.sumOfThree(4, 3, 19)); obj.disp( ); } }
void waitForSignal() { Object obj = new Object(); synchronized (Thread.currentThread()) { obj.wait(); obj.notify(); } } Which statement is true?
The statement concern psychrometric chart. 1. Constant relative humidity lines are uphill straight lines to the right 2. Constant wet bulb temperature lines are downhill straight lines to the right. 3. Constant specific volume lines are downhill straight lines to the right. 4. Constant enthalpy lines are coincident with constant wet bulb temperature lines. Which of the statements are correct?
What is the output of the following JAVA program? class Test { public static void main (String [ ] args) { Test obj = new Test (); obj.start (); } void start () { String stra="do”; String strb = method (stra); System.out.print(“:” + stra + strb); } String method (String stra) { stra=stra+”good”; System.out.print (stra); return “good”; } }
What is the output of the following code:
class MyClass:
x = 5
obj = MyClass()
print(obj.x)
What is the output of the following code:
class Parent:
def show(self):
print('Parent method')
class Child(Parent):
pass
obj = Child()
obj.show()
Is the following Python code correct?
>>> class A:def __init__(self,b):self.b=bdef display(self):print(self.b)>>> obj=A("Hello")>>> del obj
What is the output of the following code:
class Parent:
x = 10
class Child(Parent):
pass
obj = Child()
print(obj.x)
class MyClass{       MyClass(){             System.out.print("one");       }       public void myMethod(){             this();             System.out.print("two");       } }   public class TestClass{       public static void main(String args[]){             MyClass obj = new MyClass();             obj.myMethod();       } }
Consider the following statements.
1. Magnetic lines of force are closed curves while electric lines are not.
2. Electric lines of force are closed curves while magnetic lines are not.
3. Both electric and magnetic lines of force are closed curves.
Which of statement(s) given above is/are correct?