File.docx

Arithmetic operators class op1 { public static void main(String args[]) { int a=10; int b=5; int c=a+b; int d=a-b; int e=a*b; int f=a/b; System.out.println("the addition of 10 and 5 is "+ c); System.out.println("the addition of 10 and 5 is "+ d); System.out.println("the addition of 10 and 5 is "+ e); System.out.println("the addition of 10 and 5 is "+ f); } } Output:

Relational operator class op2 { public static void main(String args[]) { int a=10; int b=20; System.out.println("a is less than b " +(a
System.out.println("a is greater than b " +(a>b)); System.out.println("a is less than or equal to b " +(a<=b)); System.out.println("a is greater than or equal to b " +(a>=b)); System.out.println("a is equal to b " +(a==b)); System.out.println("a is not equal to b " +(a!=b)); } } Output

Logical class logical { public static void main(String args[]) { int a=50; boolean b= true; boolean c= (a>70 && a<100); boolean d= (a==70 || a==100); boolean e= (!b); System.out.println("The marks are between 70 and 100: " +c ); System.out.println("The marks are 70 or 100: " +d ); System.out.println("The reverse of boolean value : " +e ); } } Output

Increment decrement

class inc { public static void main(String args[]) { int x=5; int z=2; int y=x; int w=z; System.out.println("The expression x++ evaluates to "+(x++)); x=y; System.out.println("The expression x-- evaluates to "+(x--)); x=y; System.out.println("The expression z+=(x++) evaluates to "+(z+=(x++))); x=y; z=w; System.out.println("The expression z+=(x--) evaluates to "+(z+=(x--))); x=y; z=w; System.out.println("The expression z+=(++x) evaluates to "+(z+=(++x))); x=y; z=w; System.out.println("The expression z+=(--x) evaluates to "+(z+=(--x))); } } Output;

Bitwise class bitwise { public static void main(String args[]) { int x=50; int y=40; int a=x; int b=y; System.out.println("The expression x>>1 evaluates to "+(x>>1)); x=a;

System.out.println("The x=a; System.out.println("The x=a; System.out.println("The x=a; System.out.println("The x=a; y=b; System.out.println("The x=a; y=b; System.out.println("The

expression x<<1 evaluates to "+(x<<1)); expression x>>>1 evaluates to "+(x>>>1)); expression x=~x evaluates to "+(x=~x)); expression x&y evaluates to "+(x&y));

expression x|y evaluates to "+(x|y));

expression x^y evaluates to "+(x^y));

} } Output

Ternary class ternary { public static void main(String args[]) { int x=20; int y=25; String result= (x>y)?x+" is greater":y+" is greater"; System.out.println(result); } } Output:

Implicit type conversion class type_imp

{ public static void main(String args[]) { byte bval=20; short sval=bval; int ival=sval; long lval=ival; float fval=lval; double dval=fval; System.out.println("Byte value = "+bval); System.out.println("Short value = "+sval); System.out.println("Int value = "+ival); System.out.println("Float value = "+fval); System.out.println("Double value = "+dval); } } Output

Explicit type conversion class type_exp { public static void main(String args[]) { double dval=1234567.23; float fval=(float)dval; long lval=(long)fval; int ival=(int)lval; short sval=(short)ival; byte bval=(byte)sval; System.out.println("Double Value = "+dval); System.out.println("Float Value = "+fval); System.out.println("Long Value = "+lval); System.out.println("Int Value = "+ival); System.out.println("Short Value = "+sval); System.out.println("Byte Value = "+bval); } } Output:

If statement class dec_if { public static void main(String args[]) { int a=20; int b=10; if(a>b) { System.out.println("a is greater than b"); } } } Output

If else class dec_else { public static void main(String args[]) { int a=21; if(a%2==0) { System.out.println("A is even"); } else { System.out.println("A is odd"); }

} } Output

Else if ladder class ladder { public static void main(String args[]) { int a=60; if(a>=90) { System.out.println("A grade"); } else if(a>=80) { System.out.println("B grade"); } else if(a>=70) { System.out.println("C grade"); } else if(a>=60) { System.out.println("D grade"); } else if(a>=50) { System.out.println("E grade"); } else { System.out.println("F grade"); } } } Output

While loop class loopw { public static void main(String args[]) { int a=1; while(a<=10) { System.out.println(a); a++; } } } Ouput

Do while loop class loopd { public static void main(String args[]) { int a=0; do { a++; System.out.println(a); }

while(a<10); } } Output:

class loopf { public static void main(String args[]) { int i; for(i=1;i<=10;i++) { System.out.println(i); } } }

Using class, objrct and command line input, print your age on screen class Age { int age;

void data(int x) { age=x; } void display() { System.out.println("My age is "+age); } } class cls { public static void main(String args[]) { Age obj=new Age(); obj.data(Integer.parseInt(args[0])); obj.display(); } } Output

Accessinf=g methods and variables class var { int age; int salary; void data() { age=25; salary=25000; } void display() { System.out.println("My age is "+age); System.out.println("My salary is "+salary); } } class var1 { public static void main(String args[]) { var obj= new var();

var obj1= new var(); obj.data(); obj.display(); obj1.age=24; obj1.salary=30000; obj1.display(); } } Output

Method overloading class rect { double length; double width; void data(double a, double b) { length=a; width=b; } void data(double a) { length=a; width=20; } void show() { System.out.println("Length of rectangle is "+length); System.out.println("Width of rectangle is "+width); System.out.println("Area of rectangle is "+(length*width)); } } class overload { public static void main(String args[]) { rect obj=new rect(); rect obj1=new rect();

obj.data(30,20); obj.show(); obj1.data(30); obj.show(); } }

Constructor class college { int year; int phone; int pincode; college() { year=2018; phone=73476; pincode=160036; } void show() { System.out.println("Year= "+year); System.out.println("phone number= "+phone);

System.out.println("pincode= "+pincode); } } class construc { public static void main(String args[]) { college obj=new college(); obj.show(); } } Output

Parametrized constructor class college { int year; int phone; int pincode; college(int a, int b, int c) { year=a; phone=b; pincode=c; } void show() { System.out.println("Year= "+year); System.out.println("phone number= "+phone); System.out.println("pincode= "+pincode);

} } class paramet { public static void main(String args[]) { college obj=new college(2018,73476,160036); obj.show(); } } Output: