The code defines a ListEvenNumbers class with a main method. It uses a for loop to iterate from 1 to a limit of 50, and prints any numbers that are even (where i % 2 == 0) to the console. The output printed would be all even numbers from 2 to 50.

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4. public class ListEvenNumbers {
public static void main(String[] args) {
//define limit
int limit = 50;
System.out.println("Printing Even numbers between 1 and " + limit);
// i 1 50
for(int i=1; i <= limit; i++){
// ? ?
// P37
if( i % 2 == 0) {
System.out.print(i + " ");
}
}
}
}
/*
Output of List Even Numbers Java Example would be
Printing Even numbers between 1 and 50
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50
*/
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6. 0 -> 0000 0000 -> 00
1 -> 0000 0001 -> 01
2 -> 0000 0010 -> 02
3 -> 0000 0011 -> 03
4 -> 0000 0100 -> 04
5 -> 0000 0101 -> 05
6 -> 0000 0110 -> 06
7 -> 0000 0111 -> 07
8 -> 0000 1000 -> 08
9 -> 0000 1001 -> 09
10 -> 0000 1010 -> 0A
11 -> 0000 1011 -> 0B
12 -> 0000 1100 -> 0C
13 -> 0000 1101 -> 0D
14 -> 0000 1110 -> 0E
15 -> 0000 1111 -> 0F
16 -> 0001 0000 -> 10
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14. public class VariablesSample {
public static void main(String[] args) {
byte b;
short s;
int i;
long l;
char c;
float f;
double d;
b = Byte.MIN_VALUE;
s = Short.MIN_VALUE;
i = Integer.MIN_VALUE;
l = Long.MIN_VALUE;
c = (int)Character.MIN_VALUE;
f = Float.MIN_VALUE;
d = Double.MIN_VALUE;
System.out.println(b);
System.out.println(s);
System.out.println(i);
System.out.println(l);
System.out.println((int)c);
System.out.println(f);
System.out.println(d);
}
}
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17. public class BooleanSample {
public static void main(String[] args) {
boolean t = true;
boolean f = false;
if( t == true ){
System.out.println("t is true!");
}else{
System.out.println("t is false!");
}
if( f == true ){
System.out.println("f is true!");
}else{
System.out.println("f is false!");
}
boolean isTtrue = ( t == true);
System.out.println("(t == true) is " + isTtrue);
}
}
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