Question

WAP in Java to print the following
pattern.
a
a a
a a a
a a a a
a a a a a
​please answer my question

Answer 1

Answer:

I don't know your question

Answer 2

—› Your Program:

${ \gray{ \sf{//java \: program \: to \: print \: the \: following \: pattern}}}$

$\sf \: import \: java.util. {}^{*} ;$

$\sf \: public \: class \: pattern$

{

$\: \: \: \sf \: public \: static \: void \: main(String \: args[ \: ] \: )$

{

$\: \: \: \sf \: Scanner \: in \: = \: new \: Scanner(System.in);$

$\: \: \: \sf \: int \: n,i, j;$

$\: \: \: \sf \: System.out.println("Enter \: the \: no. \: of \: rows \: to \: print \: the \: pattern");$

$\: \: \: \sf \: n = in.nextInt();$

$\: \: \: \sf \: for(int \: i = 1;i < = n;i++ )$

{

$\: \: \: \sf \: for(j = 1;j < = i;j++ )$

{

$\: \: \: \sf \:System.out.print(❝ a ❞);$

}

$\: \: \: \sf \: System.out.println(' \: \: \: ');$

}

}

}

--------------------------

—› Output:

Enter the no. of rows to print the pattern

5

a

a a

a a a

a a a a

a a a a a

--------------------------

—› Variable Description:

• n = to take the input from the user to enter the no. of rows as I have used scanner class.
• i , j = to run the loop

---------------------------

—› Note:

• println() - It is used to print after each next line.
• print() - It is used to print in the same line.

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