isEven bit vs mod

iseven.java

public class IsEven {
	public static boolean isEven_bit(int i) {
		return (i & 1) == 0;
	}
	public static boolean isEven_mod(int i) {
		return i % 2 == 0;
	}
	public static void main(String[] args) {
		isEven_bit(2);
		isEven_mod(2);
	}
}
public class IsEven
{
  public static boolean isEven_bit(int paramInt) {
    return (paramInt & 0x1) == 0;
  }
  
  public static boolean isEven_mod(int paramInt) { return paramInt % 2 == 0; }
  
  public static void main(String[] paramArrayOfString) {
    isEven_bit(2);
    isEven_mod(2);
  }
}
public class IsEven {
     <ClassVersion=52>
     <SourceFile=IsEven.java>

     public IsEven() { // <init> //()V
         L1 {
             aload0 // reference to self
             invokespecial java/lang/Object.<init>()V
             return
         }
     }

     public static isEven_bit(int arg0) { //(I)Z
         L1 {
             iload0
             iconst_1
             iand
             ifne L2
             iconst_1
             goto L3
         }
         L2 {
             f_new (Locals[1]: 1) (Stack[0]: null)
             iconst_0
         }
         L3 {
             f_new (Locals[1]: 1) (Stack[1]: 1)
             ireturn
         }
     }

     public static isEven_mod(int arg0) { //(I)Z
         L1 {
             iload0
             iconst_2
             irem
             ifne L2
             iconst_1
             goto L3
         }
         L2 {
             f_new (Locals[1]: 1) (Stack[0]: null)
             iconst_0
         }
         L3 {
             f_new (Locals[1]: 1) (Stack[1]: 1)
             ireturn
         }
     }

     public static main(java.lang.String[] arg0) { //([Ljava/lang/String;)V
         L1 {
             iconst_2
             invokestatic IsEven.isEven_bit(I)Z
             pop
         }
         L2 {
             iconst_2
             invokestatic IsEven.isEven_mod(I)Z
             pop
         }
         L3 {
             return
         }
     }
}