Book of tasks on programming. Old version

 

 by Aliaksandr N. Prykhodzka

 

форматирование, constructor, интегрированный, variable, FAT, shl, перемещение минимального элемента, сборник задач по программированию
 

for valuable work you must have JavaScript (allow active content)

Java. J.13. Nest of tasks. Strings

 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

J.13.1     Answer      Pascal-analogue      Visual Basic-analogue

Determine a value produced by function AA .


int AA()
{
    String str="a";
    for (int i=1; i<5; i++) str=str+str;
    int Man=str.length();
    return Man;
}


 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

J.13.2     Answer      Pascal-analogue      Visual Basic-analogue

Determine a string produced by function AA


String AA()
{
    String a="a";
    String b="b";
    for (int k=1; k<4; k++)
    {
        a=a+b;
        b=b+a;
    }
    return b;
}


 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

J.13.3     Answer      Pascal-analogue      Visual Basic-analogue

Determine a string produced by function AA


String AA()
{
    String b="";
    for (int k=1; k<6; k++)
    {
        char a='b';
        for (int i=1; i         b+=a;
    }
    return b;
}


 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

J.13.4     Answer      Pascal-analogue      Visual Basic-analogue

Determine a string produced by function AA


String AA()
{
    String a="abcdef";
    String b="";
    for (int k=1; k<4; k++) b=b+a.charAt(k*2-1-1);
    return b;
}


 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

J.13.5     Answer      Pascal-analogue      Visual Basic-analogue

Determine a string produced by function AA


String AA()
{
    String b="";
    for (char ch='a'; !(ch=='g'); ch++) b=b+ch;
    return b;
}


 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

J.13.6     Answer      Pascal-analogue      Visual Basic-analogue

Determine a string produced by function AA


String AA()
{
    String b="b";
    for (int k=1; k<4; k++) b='a'+b+'a';
    return b;
}


 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

J.13.7     Answer      Pascal-analogue      Visual Basic-analogue

Determine a string produced by function AA


String AA()
{
    String b="b";
    for (int k=1; k<4; k++) b=b+'a'+b;
    return b;
}


 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

J.13.8     Answer      Pascal-analogue      Visual Basic-analogue

Determine a string produced by function AA


String AA()
{
    String b="b";
    for (int k=1; k<3; k++)
        b=b.charAt(0)+(b.charAt(b.length()-1)+b);
    return b;
}


 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

J.13.9     Answer      Pascal-analogue      Visual Basic-analogue

Determine a string produced by function AA


String AA()
{
    String b="abc";
    for (int k=1; k<3; k++) b=b+b.charAt(k-1);
    return b;
}


 

 

Calculator

/ - division

\ - rest

S - sum of numbers from and to

P - multiply numbers from and to

J.13.10     Answer      Pascal-analogue      Visual Basic-analogue

Determine a value produced by function AA


int AA()
{
      String str = "bb";
      for (int i=1; i<6; i++) str=str+str;
      int Man=str.length();
      return Man;
}



 

©   Aliaksandr Prykhodzka    1993 - 2007