State the order of evaluation of the operators in each of the following Java statements, and show the value of x after each statement is performed:
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State the order of evaluation of the operators in each of the following Java statements, and show the value of x after each statement is performed:
a) int x =7+3 *6/2-1;
b) int x =2% 2+2*2-2/2;
Step by step
Solved in 4 steps with 1 images
- Show the value of x after each of the statements is performed: x = fabs(-6.4);Compute the weakest precondition for each of the following statements based on their postconditions. 1. b= 2*a + 3*b 1; a = 2*b {a >= 2}Indicate which operator will be executed first in the following statements. a = 2 * (i + j) % 3; b = 2 * i + j % 3; c = arr[i + j] / i + j; c = arr[i + j] / (i + j);
- (java programming language) Write a Java program to do the following task: Assign your id number (2017296004) to an integer variable id_num Using reminder operator % on the id_num get the last 2 digits (04) and store it in num If the num is between 0 and 30 (both included), display “You are in Group 1” Otherwise if the num is between 31 and 60 (both included), display “You are in Group 2” Otherwise (num is between 61 and 99 (both included), display “You are in Group 3” Save your file as Q2.Java and upload it.4) write down whether the following statements is valid or not valid int i=11, m=51; int *pl, *p2, *p3; a- p3 = p2 - pl; b- p3 = p2 - m*i; c- m=p%3; d- pl = pl/m;Correct the following wrong statements. All binary operators except for the assignment operators are evaluated as user intention.
- Convert the following statements into intermediate code: int r=0;for (int i=0; i<10; i++) r=r+i;1-Compute the weakest precondition for the following statements A. x = 2 * (y + 2*x); y=3*x-6 {y > 9} B. if (x >y) y=6*x+ 2 else y= 3 *x+9; {y > 2}4. The value of integer variable t is equal to 10 and the value of the variable p is 2. Find the value of the variable t after the execution of the given statements. t++; t = t/p3; t--; t = t/p;
- 3) Assign a value to each variable, run thisexpression a =b+(c=d/b) - 1; in C++ and Java, and explain how it works. Convert the two expressions below to one assignment expression and run it. x=y+5;t=x*z-1;Given the declaration:int num1, num2;int *p1;int *p2;double *p3;Mark the following statements as valid or invalid. If a statement is invalid, explain why. a. p1 = &num1;b. num2 = num1 - *p2;c. p3 = p2;d. *p3 = num1;e. *p3 = *p1;f. num1 5 p2;g. p1 = &p2;h. p3 = &num1;i. num1 = *p3;j. num2 = &p1;Evaluate the following expressions, assume the following declarations: int a=28; int b=4; int c=2; int z=0; z*=a/b-c; What is the value of z after expression is evaluated?