java

[Solved] I am completely new and don’t understand what is wrong with my code. Could you just edit it and then reply it so that I can copy paste it [closed]

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Need to insert closing bracket on onCreate() package cominfinitygaminghere.wixsite.httpsinfinitygaminghere.mumbojumbo; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.webkit.WebView; import android.webkit.WebViewClient; import com.google.android.gms.ads.AdListener; import com.google.android.gms.ads.AdRequest; import com.google.android.gms.ads.AdView; import com.google.android.gms.ads.InterstitialAd; public class MainActivity extends AppCompatActivity { WebView webView; private InterstitialAd mInterstitialAd; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mInterstitialAd = newInterstitialAd(); loadInterstitial(); AdView adView = (AdView) findViewById(R.id.adView); AdRequest adRequest … Read more

[Solved] method to find and search files JAVA [closed]

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Ok, I think I get your issue now. You can call your method from the main: public static void main(String[] args) { //may need to throw file not found exception here findAndPrint(); } Then you need to remove the arguments from your method: public static void findAndPrint() throws FileNotFoundException { Scanner in = new Scanner(new … Read more

[Solved] Java Simple Program [closed]

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You are using these quotes “”. That is why you’re getting the error. Use the standard double quotes for Strings. if (x < y) System.out.println(“x is less than y”); // standard double quotes x = x * 2; if (x == y) System.out.println(“x now equal to y”); x = x * 2; if (x > … Read more

[Solved] Combine Node.js and Java?

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If you have a node.js-based web application, through which you get the data for further processing, but your actual algorithms are written in Java, node-java may be a way to go. node-java is a bridge between node.js and java code, and allows you to instantiate java objects, manipulate them and call methods on them. You … Read more

[Solved] Odd Palindrome generator (0 to 25000)

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I think, this is program you are searching for. public class Palindrome { public static void main(String[] args) { for(int i=0;i<=25000;i++){ int number=i; int reverse=0; int temp=0; while(number>0){ temp=number%10; number=number/10; reverse=reverse*10+temp; // System.out.println(rev); if(i==reverse){ if(reverse%2!=0){ System.out.println(reverse); } } } } } } 1 solved Odd Palindrome generator (0 to 25000)

[Solved] String object creations in java

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When we try to create a String Object JVM first checks the String constant pool,if string doesn’t exist in the pool then it will creates a new String Object isaq and reference maintained in the pool.The Variable S1 also refer the same String Object. String s1=”isaq”; Above statement create one String Object in String pool. … Read more

[Solved] Overload a toString Method

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First of all, toString method comes from object class, don’t try to make multiple of those methods or anything like that, have everything in one method. As to your problem, you can make a variable String description for your class, and initialize it in constructor and then in toString just return that variable. You can … Read more

[Solved] How to make a button open a new activity

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Set onClickListener on button in which onClick method start your activity using intent. button.setOnClickListener(new View.OnClickListener() { void onClick(View v) { Intent startA = new Intent(MainActivity.this, ActivityToStart.class); startActivity(startA); } }); solved How to make a button open a new activity

[Solved] Why do we need a private constructor at all?

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We can’t instantiate more than one object at a time via private constructors. No, we can. A private constructor only avoids instance creation outside the class. Therefore, you are responsible for deciding in which cases a new object should be created. And as expected both the strings are being printed. Did I miss something? You … Read more