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Is there any method in java to generate random number (integer, byte or float). please tell me if any i need it in my program. if possible please give full example. thanks. |
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I am getting this error while installing ADT plugin in eclipse: Cannot complete the install because of a conflicting dependency. Software being installed: Android DDMS 21.0.0.v201210310015-519525 (com.android.ide.eclipse.ddms.feature.group 21.0.0.v201210310015-519525) Software currently installed: Eclipse IDE for Java EE Developers 1.3.0.20100617-0521 (epp.package.jee 1.3.0.20100617-0521) Only one of the following can be installed at once: … |
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hello everybody first of all thanks to Daniweb and all its users for helping me lot of time. now come to the problem I've just started studying servlets 1 week back it was going well but i got one problrm when i try to run a packaged servlet code. path … |
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guys i bought a new notebook HP probook 4430s which is loaded with free DOS. but now i want to install win XP on my notebook which is not going in right way. i inserted XP SP2 bootable CD in my notebook after loading all files instead of showing format … |
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In my program i want to execute same statement on case 3 and 5 in switch() i searched lot on google about this but get nothing please help me [CODE] case 3,5: [/CODE] I know it is wrong but if you have any idea about this than please help me. |
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The below code is showing error i checked lots of time didn't find any error please help me. [CODE] class emp{ int id,sal; String name; emp(int id,int sal,String name) { this.id=id; this.sal=sal; this.name=name; } void show() { System.out.println("Name: "+name); System.out.println("Salary: "+sal); System.out.println("ID: "+id); } } class manager extends emp{ int … |
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Hello everyone first of all thanks to daniweb and all users to help me lots of time. now come to problem i am learning java from last one month today i wrote a program to swap two objects it is running but not performing desired task. all instance fields are … |
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Hey everyone, my if-statements are working as expected. Actually, they are not working at all. The syntax is right but they are never run. The program terminates before it runs them. [code] public static void main (String args[]){ Scanner input = new Scanner(System.in); Display fName = new Display(); // creating … |
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hello i am beginner to java i wrote a simple program of object array but it is showing run time error [QUOTE]Exception in thread "main" java.lang.NullPointerException at classarr.main(classarr.java:14)[/QUOTE] [CODE] class abc{ int i; } class classarr{ public static void main(String arg[]) { abc a[]=new abc[4]; int j; for(j=0;j<=3;j++) a[j].i=j+1; for(j=0;j<=3;j++) … |
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hey guys first of all thanks to everyone for helping me lot of time. now come to the problem. I am beginner to HTML. In book i read about the tag MULTICOL but it is not working on Mozilla browser and also on IE. please can anyone tell me what … |
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hello every one first of all thanks to daniweb and all its members who alwasy helped me lot. i am very beginner to html and started just 3 or 4 days ago and facing lots of problems i am doing html by using internet explorer latest(8) and also on mozilla. … |
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i am very beginner to java getting error in below code [CODE]class forloop{ public static void main(string args[]){ int x; for(x=0;x<10;x=x+1) system.out.println("this is x:"+x); } }[/CODE] error : cannot read :forloop.java i error please help me |
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first of all thanks to all for helping me from last 2 years. now a days i am learning Visual basic, i have one book that is for beginner. while studying that book i feel it is insufficient for me. so please can any one tell me a book which … |
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hi can any one tell me how to export and import a table in oracle 9i? please be brief. |
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hi everybody i get my internet connection just before one month ago...and i am searching for online money making methods.....i searched lot but unfortunately just wasted. i haven't any money to invest before starting anything...so please can anybody tell me is there any method by which i can earn money … |
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hello i am using oracle 9i enterprise edition i want to open isql plus in my browser please tell me how to do it. i am very beginner to oracle. please help me. |
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can we put the restriction on some function of the loop variable in the loop conditions like the for loop in the following program #include<iostream> using namespace std; int main() { int a,size=2,b[size],i; cin>>a; b[0]=1; b[1]=1; cout<<"The fabbonacci sequence is:"<<b[0]<<" "<<b[1]<<" "; for(i=2;b[i]<=a;i++) { b[i]=b[i-1]+b[i-2]; size++; cout<<b[i]<<" "; } system("pause"); … |
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hi i am using oracle 9i and now a days i am learning sql. due to some problems i have to change my system and i will install oracle 9i in my new system, but problem is that after installing i need all that old tables that i have created … |
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hello everyone i am a student of computer app. from last 4 months i was using turbo c++. but by the advice of some people yesterday i installed codelite. i wrote a simple c++ program but i am not receiving any output i pressed ctrl+f9 as in turbo c++ but … |
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hi now a days im doig sql n im using oracle 9i for this. now a days my instructor teaching me about select command but im not able to use it on oracle 9i because i didn't create anything, so please can any body tell me that am i going … |
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hello everybody hi im a student of SGRRITS (my institute) in my inst we have turbo c++. is it a good platform for doing programming now a days and does any industry us it now a days. no.2: please can you suggest me its substitute which are better than it. … |
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hello everyone, in this sem in our coll we have sql in syllabus that's why i decided to learn oracle...... i have oracle 9i as well as oracle 10g express edition. i want to know that which is better among them and have some more features. which one is good … |
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hi guys, im sorry im new to this site and doesnt no the norms and rules used here...but i need ur help to let me help to decide a project ...........i've expertise in languages like c,c++,v.b (6),html..........and i've to submit my project this year ....so guys pls help me get … |
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hello every one I am a student of CS and in this semester i have a subject DBMS, i haven't do any programming with sql till now, i am completely new to it, here i want to know that about different DBMS software. in our coll we have oracle 8i, … |
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WAP to read 'n' numbers and print the biggest and smallest number. Pls help me with this. The program should be done with without using arrays....... |
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I was copying a c++ program and i came tosee something like this: char a[10][10]= {....} What does a[10][10] means?? what does the symbol [] do? Pls help me... |
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write aprogram in c++ to read the tokens in one at a time ,if it is integer,push it on stack, if it is binary operator, pop two elements from the stack, apply the operator to the two elements and push the result back on the stack?? please help me to … |
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hello guys and hope you are fine :) please take a look to this code [CODE]#include <iostream> using namespace std; int sum(int num1,int num2, int sum1){ cout <<"Please enter two numbers:"; cin >> num1 >> num2; sum1 = num1 + num2; cout << sum1; return 0; } int div(int num3,int … |
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I think this is an easy question but I don't know the answer to it. How does one link the value of an argument to a function and the functions parameters? For instance: [CODE]int a; int b; void fn(int &c, int &d) { c++; d++; } int main() { fn(a,b); … |
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struct start { int* i; int* j; }p; p.i = new getValue(); when i am printing the value of i it is giving address not the value. Please tell how to get the value. |