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Answer and Explanation

Question 5

What output is produced by the program shown in Listing 5 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. true
  • D. false
Listing 5 . Listing for Question 5.
public class Ap029{ public static void main(String args[]){new Worker().doRelat(); }//end main()}//end class definition class Worker{public void doRelat(){ Dummy x = new Dummy();Dummy y = new Dummy(); System.out.println(x>y); }//end doRelat()}//end class definition class Dummy{int x = 5; double y = 5.5;String z = "A String Object"; }//end class Dummy

Answer and Explanation

Question 6

What output is produced by the program shown in Listing 6 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. 5 5 8.3 8.3
  • D. 6 4 9.3 7.300000000000001
Listing 6 . Listing for Question 6.
public class Ap030{ public static void main(String args[]){new Worker().doIncr(); }//end main()}//end class definition class Worker{public void doIncr(){ int w = 5, x = 5;double y = 8.3, z = 8.3; w++;x--; y++;z--; System.out.println(w + " " +x + " " + y + " " +z); }//end doIncr()}//end class definition

Answer and Explanation

Question 7

What output is produced by the program shown in Listing 7 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. Hello
  • D. None of the above
Listing 7 . Listing for Question 7.
public class Ap031{ public static void main(String args[]){new Worker().doIf(); }//end main()}//end class definition class Worker{ public void doIf(){int x = 5, y = 6; if(x - y){System.out.println("Hello"); }//end if}//end doIf() }//end class definition

Answer and Explanation

Question 8

What output is produced by the program shown in Listing 8 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. World
  • D. Hello World
  • E. None of the above
Listing 8 . Listing for Question 8.
public class Ap032{ public static void main(String args[]){new Worker().doIf(); }//end main()}//end class definition class Worker{public void doIf(){ int x = 5, y = 6;if(x<y){ System.out.print("Hello ");}//end if System.out.println("World");}//end doIf() }//end class definition

Answer and Explanation

Question 9

What output is produced by the program shown in Listing 9 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. Hello World
  • D. Goodbye World
  • E. None of the above
Listing 9 . Listing for Question 9.
public class Ap033{ public static void main(String args[]){new Worker().doIf(); }//end main()}//end class definition class Worker{public void doIf(){ int x = 5, y = 6;if(x == y){ System.out.println("Hello World"); }else{System.out.println( "Goodbye World");}//end else }//end doIf()}//end class definition

Answer and Explanation

Question 10

What output is produced by the program shown in Listing 10 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. x = 4
  • D. x = 5
  • E. x = 6
  • F. x != 4,5,6
  • G. None of the above
Listing 10 . Listing for Question 10.
public class Ap034{ public static void main(String args[]){new Worker().doIf(); }//end main()}//end class definition class Worker{public void doIf(){ int x = 2;if(x == 4){ System.out.println("x = 4");}else if (x == 5){ System.out.println("x = 5");}else if (x == 6){ System.out.println("x = 6");}else{ System.out.println("x != 4,5,6");}//end else }//end doIf()}//end class definition

Questions & Answers

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Solve the mean of variance
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Step 1: Find the mean. To find the mean, add up all the scores, then divide them by the number of scores. ... Step 2: Find each score's deviation from the mean. ... Step 3: Square each deviation from the mean. ... Step 4: Find the sum of squares. ... Step 5: Divide the sum of squares by n – 1 or N.
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diveving the sum if all values
Shaynaynay
let A1,A2 and A3 events be independent,show that (A1)^c, (A2)^c and (A3)^c are independent?
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data collected all over the world
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The sample of 16 students is taken. The average age in the sample was 22 years with astandard deviation of 6 years. Construct a 95% confidence interval for the age of the population.
Aschalew Reply
Bhartdarshan' is an internet-based travel agency wherein customer can see videos of the cities they plant to visit. The number of hits daily is a normally distributed random variable with a mean of 10,000 and a standard deviation of 2,400 a. what is the probability of getting more than 12,000 hits? b. what is the probability of getting fewer than 9,000 hits?
Akshay Reply
Bhartdarshan'is an internet-based travel agency wherein customer can see videos of the cities they plan to visit. The number of hits daily is a normally distributed random variable with a mean of 10,000 and a standard deviation of 2,400. a. What is the probability of getting more than 12,000 hits
Akshay
1
Bright
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Bright
a= 0.20233 b=0.3384
Sufiyan
a
Shaynaynay
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Mohd Reply
It depends on your business problem or in Machine Learning you could use ROC- AUC cruve to decide the threshold value
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Taneeya
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Source:  OpenStax, Object-oriented programming (oop) with java. OpenStax CNX. Jun 29, 2016 Download for free at https://legacy.cnx.org/content/col11441/1.201
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