Expression Evaluation in Java
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Table of Content:
- Question 1: What is the result stored in x, after evaluating the following expression?
Given:
int x = 5;Expression:
x++ * 2 + 3 * --x; - Question 2:
Write an expression in Java for:
z = (5x^3 + 2y)/(x + y) - Question 3: What will be the result stored in x after evaluating the following expression?
<span class="pln"> </span><span class="kwd">int</span><span class="pln"> x </span><span class="pun">=</span><span class="pln"> </span><span class="lit">4</span><span class="pun">;</span><span class="pln"> x </span><span class="pun">+=</span><span class="pln"> </span><span class="pun">(</span><span class="pln">x</span><span class="pun">++)</span><span class="pln"> </span><span class="pun">+</span><span class="pln"> </span><span class="pun">(++</span><span class="pln">x</span><span class="pun">)</span><span class="pln"> </span><span class="pun">+</span><span class="pln"> x</span><span class="pun">;</span> - Question 4: Give the output of the following method:
<span class="pln"> </span><span class="kwd">public</span><span class="pln"> </span><span class="kwd">static</span><span class="pln"> </span><span class="kwd">void</span><span class="pln"> main </span><span class="pun">(</span><span class="typ">String</span><span class="pln"> </span><span class="pun">[]</span><span class="pln"> args</span><span class="pun">){</span><span class="pln"> </span><span class="kwd">int</span><span class="pln"> a </span><span class="pun">=</span><span class="pln"> </span><span class="lit">5</span><span class="pun">;</span><span class="pln"> a</span><span class="pun">++;</span><span class="pln"> </span><span class="typ">System</span><span class="pun">.</span><span class="kwd">out</span><span class="pun">.</span><span class="pln">println</span><span class="pun">(</span><span class="pln">a</span><span class="pun">);</span><span class="pln"> a </span><span class="pun">-=</span><span class="pln"> </span><span class="pun">(</span><span class="pln">a</span><span class="pun">--)</span><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">(--</span><span class="pln">a</span><span class="pun">);</span><span class="pln"> </span><span class="typ">System</span><span class="pun">.</span><span class="kwd">out</span><span class="pun">.</span><span class="pln">println</span><span class="pun">(</span><span class="pln">a</span><span class="pun">);}</span><span class="pln"> </span> - Question 5:
Write the Java expressions for:
- Question 6: If int y = 10 then find int z = (++y * (y++ + 5));
- Question 7: Write down java expression for:
- Question 8:
Give the output of the following expression:
a+= a++ + ++a + --a + a-- ; when a = 7
- Question 9: Write a Java expression for the following:
- Question 10: What is the value of x1 if x=5?
<span class="pln"> x1</span><span class="pun">=</span><span class="pln"> </span><span class="pun">++</span><span class="pln">x </span><span class="pun">–</span><span class="pln"> x</span><span class="pun">++</span><span class="pln"> </span><span class="pun">+</span><span class="pln"> </span><span class="pun">--</span><span class="pln">x</span> - Question 11:
(h) Evaluate the following expression if the value of x=2, y=3 and z=1.
v=x + --z + y++ + y
- Question 12: Write a Java expression for the following:
- Question 13:
What is the value of y after evaluating the expression given below?
y+= ++y + y-- + --y; when int y=8
Related Questions
No Program Data.