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<p>and<i>Object2-></i>max_speed=180miles/hr, model_name="Superfast go", car_name = "BMW",etc. </p> <p><b>Constructor</b> </p> <p>The constructor is a self-executable block where the constructor doesn't need to explicitly define for the functioning calls. </p> <p>e.g. </p> <p><i>public class Month {</i> </p> <p><i> public Month() {</i> </p> <p><i> // Default Constructor is calling on creating an object of that class.</i> </p> <p><i> }</i> </p> <p> </p> <p><i> public Month(String month_name) { // Parametrized Constructor</i> </p> <p><i> // This constructor has one parameter, month_name.</i> </p> <p><i> System.out.println("Month Name = "+month_name);</i> </p> <p><i> }</i> </p> <p><i>}</i> </p> <p><i>...</i> </p> <p><i>public static void main(StXXXX args[])</i> </p> <p><i>{</i> </p> <p><i>XXXXX XXX=new Month(); // calling default XXXXXXXXXXX by default</i> </p> <p><i>Month XXXX=new XXXXX("March"); // calling XXXXXXXXXXXX constructor</i> </p> <p><i>}</i> </p> <p><i>}</i> </p> <p>Default XXXXXXXXXXX XX the first method XXXX is executed in XXX XXXXX if it XX defined and if you XXXXXX any XXXXXXXXX in XXX constructor then it is XXXXXX the XXXXXXXXXXXXX XXXXXXXXXXX. </p> <p><b>XXXX XXXXXXXXXXX</b> </p> <p>X XXXX XXXXXXXXXXX in a Java class is a XXXXXXXXXXX XXXX<b>XXXXXXX an XXXXXX using another object of XXX same Java XXXXX</b>. </p> <p>XXXX's XXXXXXX when we want XX XXXX a complex object XXXX XXX XXXXXXX fields, or XXXX XX XXXX to make a deep XXXX XX an existing XXXXXX. </p> <p>e.g. </p> <p><i>XXXXXX XXXXX Month { private XXX id; XXXXXXX String XXXXXXXXXX; public Month(XXXXX XXXXX) { XXXX.id = month.id; this.month_name = XXXXX.name; } }</i> </p> <p>XXXX, XX copy XXX the XXXXX XXXXXX XX XXXXXXXX. </p> <p><b>XXXX (XXXXXXXXXXX)</b> </p> <p>XXXXXXXXXXX XXXXX XXX list named XXXXXXXX. XX XXX go you define several XXXXXXXXX in a XXX XXXXXXXXX. XX XX created XX keyword using "enum" and values are enclosed in XXX {}. </p> <p>e.g.<i>enum XXXXXXXX{Sunday, Monday, Tuesday, XXXXXXXXX, Thrusday, Friday,Saturday}</i> </p> <p><i>class Month</i> </p> <p><i>{</i> </p> <p><i>public XXXXXX void main(String XXXX[])</i> </p> <p><i>{</i> </p> <p><i>WeekDays wk; // XXXXXX object...</i> </p> <p><i>XX=XXXXXXXX.XXXXXX; //XXXXXX XXXXXXXX XX XXXX here...</i> </p> <p><i>XXXXXX.out.println("Today is "+wk); // print the value XX constant...</i> </p> <p><i>} }</i> </p> <p><b>XXXXX and XXXXXXXXX</b> </p> <p>XXX XXXXX XX XXXX XX represent the XXXX XXXX XX data or XXXXX has same XXXXXX. </p> <p>e.g.<i>XXXXXX[] months = {"XXXXX","April","May","June"}</i>; </p> <p><i>XXX (XXXXXX i: months) {</i> </p> <p><i>System.out.println(i);</i> </p> <p><i>}</i> </p> <p>Array XXXX XX a XXXXXXXXXX XXXXXXXX present in XXXX package. XXX only XXXXXXXXXX XXXXXXX XXXXX XXX XXXXXXXXX is XXXXXXXXX is XXXXXXXXX and XXX XXXXX XX XX fixed size. </p> <p>e.g. </p> <p><i>XXXXXX java.XXXX.XXXXXXXXX;</i> </p> <p><i>public XXXXX XXXXX { public static void XXXX(XXXXXX[] XXXX) { XXXXXXXXX&XX;String&XX; XXXXXXXXXX = XXX XXXXXXXXX&XX;String>(); month_name.add("XXXXXXXXX"); XXXXXXXXXX.add("XXXXXXX"); XXXXXXXXXX.add("November"); XXXXXXXXXX.add("XXXXXXXX"); System.out.println(XXXXXXXXXX); } }</i> </p> <p><b>Function Calling</b> </p> <p>Function calling XX XXXX XX the XXXXXX XXX callee. </p> <p>XXXX, XXXXXX XX the XXXXXXXXX that calls XXX XXXXXXXXX and called which function is XX be call. </p> <p>XXX XXXXXXX:- </p> <p>... </p> <p>public void XXXX(XXXXXX name[]) //XXXXXX </p> <p>{ </p> <p>System.out.XXXXXXX("I am "+XXXX); </p> <p>} </p> <p>XXXXXX static XXXX XXXX(XXXXXX XXXX[]) </p> <p>{ </p> <p>XXXX("Aashish"); //caller </p> <p>} </p> <p>Here is XXXX done<b>method XXXXXXXXXXX and XXXXXXXXXX</b>XXX- </p> <p>class XXXXXXXXXXXXXXXXXX //define class XXXXXXXXXXXXXXXXXX </p> <p>{ </p> <p> XXXXXX void XXXX(XXXXXX XXXXX) //callee1 </p> <p> { </p> <p> XXXXXX.out.println(XXXXX); </p> <p> } </p> <p> public XXXX XXXX(XXXXXX XXXXX, int id) //XXXXXXX </p> <p> { </p> <p> XXXXXX.out.println(XXXXX+ " - "+id); </p> <p> } </p> <p>} </p> <p>XXXXX XXXXXX </p> <p>{ </p> <p> public static XXXX XXXX(XXXXXX XXXX[]) </p> <p> { </p> <p> XXXXXXXXXXXXXXXXXX XXX = XXX XXXXXXXXXXXXXXXXXX(); </p> <p> XXX.XXXX('February'); // XXXXXXX </p> <p> obj.XXXX('October',10); // caller2 </p> <p> } </p> <p>} </p> <p>XXXX, XXXX the same name XX a function declared XXX XX calling XXX function XXXXX XXXXXXXXXXXXX changes XX XXXXXX function overloading. XXX XXXXXXXX overload other XXXXXXXX XXXX same name, XX differentiate between two XXXXXXXXX in this scenario, we XXXXXX looking for XXXXXXXXX XXXXXX into the XXXXXXX function. </p> <p>class XXXXX{ // Parent Class </p> <p>enum Monthname={"February","XXXXX","April"} </p> <p> //XXXXXXXXXX XXXXXX </p> <p> XXXXXX void getName(int id) </p> <p> { </p> <p> XXXXXXXXX mn; </p> <p> for(XXX i=X;i&XX;XX.length;i++) </p> <p> { </p> <p> if(mn.id == id) </p> <p> XXXXXX.out.println(XX.month); </p> <p> } </p> <p> } </p> <p>} </p> <p>class XXXXXXX extends XXXXX{ // Child XXXXX </p> <p> //Overriding method </p> <p> XXXXXX XXXX getName(XXX id) </p> <p> { </p> <p> XXXXXXXXX mn; </p> <p> for(int i=0;i<mn.length;i++) </p> <p> { </p> <p> XX(mn.id == id) </p> <p> System.out.XXXXXXX("XXXX XX XXX month XX "+XX.month +" and id is " + mn.id); </p> <p> } </p> <p> } </p> <p> XXXXXX static XXXX main( XXXXXX XXXX[]) { </p> <p> XXXXXXX obj = XXX XXXXXXX(); </p> <p> //XXXX XXXX call the XXXXX XXXXX XXXXXXX of eat() </p> <p> obj.getName(X); </p> <p> } </p> <p>} </p> <p>Overriding XXXXXX XX behaving similarly to overloading XXX XXXXXXXXXX XXXXX XXXX the same XXXX XXX the XXXX number of XXXXXXXXXX XXXXXXXXXX. </p> <p>Overriding XXXXXX occur XXXXXXX XXX or more XXXXXXX which is XXXXXXXXX XX XXXX XXXXX where child XXXXX have XXX XXXX name of XXX function with XXX same XXXXXX of the parameter XX XXX parent class XXX then child class XXXXXX it's own function not it's parent function. is called method overriding. XX access the XXXXXX function we XXX super() method or this() XXXXXX XX XXXXXXXXX XXX XXXXXX's method. </p> <p>... </p> <p><b>XXXXXXXXXX for Assignment XXXXXXX</b> </p> <ul><li>First, define XXXXX XXX Class XXXX </li><li>Define Enumeration class month and XXXX enum public, syntax XX XXXXXXXX XXXXX. </li><li>XXXXX XXXX XXXXXXXX, XXXXXX XXXX you XXXX XX written all these XXXXXX XXX XX switch XXXX XXXXXXXXXXXXXX XXXX XXXXXX(choice){XXXX X : print("XXXXXXX XXXX..."); XXXXX; case X: print("XXXXXXX"); default:print();}......- </li><li>XX choosing XXXX XXXXXX, you have XX implement your XXXXXXXXXXXXX XXXXX the XXXX in different XXXXXXXXX calling XXXXXXXX present XX XXX XXXXXXXXXX cases.. </li><li><XXX XXX="file:///X:\Users\XXXXX\XXXXXXX\XXXXX\Temp\XXXXXXXXXXXX\01\clip_image002.XXX" alt="XXXXXXXXXXX: Set XXXX XXXXXXX <> Month -ArrayList S u-XXXXXX Scanner input Jan AFeb Mar 11..X Apr AMay Jun XXX XXX +" width="720" height="417"> </li><li>XX XXXXXXXXX sets, XX can use ArrayList or XXXXX according XX XXX XXXXXXXXXX, syntax XX implement is also XXXXXXXX XXXXX. </li><li>XXXXXXXXX to given image you can use the functionality XX described in this image for XXXX XXXXXXXXX, if it is XXX understandable XXXX look XXXX XXXXXXX XXXX XXX question XX XXX same. </li></ul> <p>Welcome XX SIM Set Theory lesson </p> <p>X: Properties XX set X: XXXXX XXXXXXX X: XXXXXXXXXXXX example X. XXXXXX example 4. XXXXXXXXXX XXXXXXX X. Complement XXXXXXX 6. XXXX XXXXXXXX example X.Quiz </p> <p><b>XXXX for XXXX XXXXXXX :-</b> </p> <p>XXXXXX java.XXXX.XXXXXXX; </p> <p>class Month{ </p> <p>XXXX Month_name {XXXXXXX,XXXXXXXX,March,April,May,XXXX,XXXX,XXXXXX,September,XXXXXXX,November,XXXXXXXX}; </p> <p>ArrayList&XX;XXXXXX> a = XXX ArrayList<XXXXXX&XX;; // creating ArrayList XXX XXX A... a.add("XXX"); a.add("XXX"); a.add("May); a.add("Oct"); a.add("Sep"); a.add("XXX"); a.add("XXX"); </p> <p>XXXXXXXXX<String&XX; b=XXX ArrayList&XX;String&XX;; // XXXXXXXX XXXXXXXXX XXX set X... b.add("XXX"); b.add("XXX"); b.add("Jul"); </p> <p>XXXXXX Month() { // XXXXXXXX XXXXXXXXXXX } </p> <p>XXXXXX XXXXXX void XXXXXXXXXXXXXXXXX() { // write XXXX own code here... } </p> <p>public XXXXXX void Union_example() { // write XXXX own code XXXX... } </p> <p>XXXXXX static void XXXXXXXXXXXXXXXXXXXX() { // write XXXX own code here... } </p> <p>public XXXXXX XXXX XXXXXXXXXXXXXX() { // XXXXX your own XXXX XXXX... } </p> <p>public XXXXXX XXXX XXXXXXXXXXXXXXXXXX() { // write XXXX own code XXXX... } </p> <p>public static XXXX XXXXXXXXXXXXXXXXXX() { // XXXXX your own XXXX here... } </p> <p>XXXXXX static void XXXXXXXXXXXXXXXXXXXXX() { // write XXXX own XXXX here... } </p> <p>XXXXXX XXXXXX XXXX XXXX() { // write XXXX own code XXXX... } </p> <p>XXXXXX XXXXXX void main(XXXXXX args[]){ XXXXXXX in = XXX XXXXXXX(System.in); XXXXXX.out.println("Welcome XX XXX XXX XXXXXX lesson\n X: XXXXXXXXXX XX set\n 1: Union example\n X: XXXXXXXXXXXX example\n X. Subset example\n X. XXXXXXXXXX example\n X. Complement XXXXXXX\n X. XXXX XXXXXXXX example\n X.XXXX\n"); XXXXXX.out.XXXXX("XXXX option: "); int XXXXXX=in.XXXXXXX(); </p> <p>switch(ch) { case X : Properties_of_set(); XXXXX; case X: Union_example(); XXXXX; XXXX X: Intersection_example(); XXXXX; case X: XXXXXXXXXXXXXX(); break; XXXX X: Difference_example(); XXXXX; case X: XXXXXXXXXXXXXXXXXX(); XXXXX; XXXX X: Sets_equality_example(); XXXXX; XXXX X: Quit(); XXXXX; default: XXXXXX.out.XXXXXXX("Invalid Choice"); XXXXX; } } } </p> <p> </p><p><br></p>">
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