a) What is the output for the following segment of code in Figure 1? public class Test2 1 2 3 public static void main(String[] args) 4 0 double d- 45.19; int i = (int) d; System.out.printin (d); System.out.printın(i); System.out.printf("The value of d and i is t.31 and td" + 10 11 "zespectively",d,i); 12 13 Figure 1
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- Put a box around your answers for the outputs. Determine the output for #1 - 5, 1. int i = 2; while (i 0; i = i - 1) System.out.print( "yes"); 5. int total : 4; int i = 2; while (i < 5) total = total * i; is i+ 1; System.out.printIn("The total is " + total); 6. Rewrite #5 above using a for loop instead of a while loop.} } 1-What will happen when you compile and run the following code? Public class test ( Public static void main (string[] arg) { } Int i=0; For (i=100; iMQuestion public class MyProgram { if (h 18) { public static void main(String[] args) { int h=10, t-22; System.out.print ("Good "); } } else } } What is the output displayed by the following lines of code?" System.out.print ("Morning"); t = t + 2; if (t > 30) System.out.println(" Every one!"); System.out.println("The Your answer system.out.print("Evening"); t = t + 5; temperature is " System.out.println(" Brink water?"); Degree.");
- (3) public static void test_b(int n) { if (n>0) test_b(n-2); System.out.println(n + " "); Consider the following method: What is printed by the call test_b(4)? A. 0 2 4 B. 0 2 C. 2 4 D. 4 2 E. 4 20 3 (4) What is the efficacy class of +? n 3 A: ©(1) B: O (log n) C: O (n) D: O (n log n) E: Θ n)8- Create an instance of the following class and call its methods. class Exam{ int grade; public: void seta (int b) (grade=b; } int geta () {return grade; } 9- When the word const is put before the variable definition, what does that mean? 10- How to concatenate two strings in C++ language? C++QUESTION 4 Analyze the following code: public class Test { public static void main (String [] args) { int i = 0; while (i ++ < 10); System.out.println(i + 4); The program compiles despite the semicolon () on the for loop line, and displays 15. The program has a compile error because of the semicolon (;) on the while loop line. The program compiles despite the semicolon (:) on the while loop line, and displays 4.
- Analyse the following code. public class Test { int x; public Test(String t) { System.out.println("Test"); } public static void main(String[] args) { Test test = new Test(); System.out.println(test.x); } } A. The program has a compile error because you cannot create an object from the class that defines the object. B. The program has a compile error because System.out.println method cannot be invoked from the constructor. C. The program has a compile error because x has not been initialized. D. The program has a compile error because Test does not have a default constructor.7 public static int test1(int x1, int x2){ 8 9 if(x1==0){ 10 x1=10; 11 } 12 if(x2==0){ 13 x2=10 14 } 15 16 return x1*x2; 17 } 18 19 public static int test2(int x2, int x1){ 20 return x2-x1; 21 } 22 public static int input(){ //Don’t need to trace through //this method to show how it works. Just assume it pulls //the value for the user. 23 Scanner keyboard = new Scanner(new BufferedReader(new InputStreamReader(System.in))); 24 int counter=0; 25 System.out.print("Please enter an integer: "); 26 while(counter<3 && !keyboard.hasNextInt()) 27 { 28 System.out.println(); 29 String temp=keyboard.next(); 30 System.out.println(temp+" is not an integer. Please reenter an integer."); 31 counter++; 32 33 } 34 return keyboard.nextInt(); 35 } 36 37 38…1) The UsingMethod class consists of a main method and a method called xMethod. What will the code print? public class UsingMethod {public static void main(String[] args) {double z = xMethod(3.5, 5.5);System.out.println(z);}public static double xMethod(double x, double y) {return x + y;}} 2) Identify the errors in the following programs a) 3 errorspublic class Test {public static void main(String[] args) {System.out.println(method2(3.4));} public static int method1(int n) {if (n > 0) return 1;else if (n == 0) return 0;else if (n < 0) return -1;}} b) 2 errorspublic class Test {public static void main(String[] args) {nPrintln(5, "Welcome to Java!");}public static void nPrintln(String message, int n) {for (int i = 0; i < n; i++) {System.out.println(message);}return n;}}
- 1. above? #include int c = 2; int f1(int a, int b); int f2(int a, int b); int main() { } int { int a = 3; int b; b = f1(c, a); printf("%d", b); return 0; f1(int a, int b) int d = f2(b,a); return d; } int f2(int a, int b) { } int d = a*b + c*b; return d; ) What is the output of the program shownFill in the blanks/identification: The code below produces 5 lines of output. Type the exact output on the textboxes belov public class exam { int mm; int dd; int yy; exam O this (9,22,1976); System.out.println("First Generated"); } exam (int m, int d, int y) d; yy = y; m; d System.out.println("Second Generated"); } mm = %3D String dateT() return (mm+"/"+dd+"/"+yy); } void dateT(int x, int y, int z) x; dd = y; yy = Z; System.out.println("Date has changed");; mm = ountP.jpg SavingsAccountPjpg BankAccountPjpgIn C++ QUESTION 14 class rectangleType { public: void setLengthWidth(double x, double y); //Sets the length = x; width = y; void print() const; //Output length and width double area(); //Calculate and return the area of the rectangle (length*width) double perimeter(); //Calculate and return the perimeter (length of outside boundary of the rectangle) private: double length; double width; }; Write the function definition for the function perimeter