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Java program to print the following pattern on the console

12344321
123**321
12****21
1******1

Algorithm:

  • STEP 1: START
  • STEP 2: SET lines=4
  • STEP 3: DEFINE i, j.
  • STEP 4: SET space=0
  • STEP 5: SET i=0
  • STEP 6: REPEAT STEP 7 TO 20 UNTIL i
  • STEP 7: SET j=1
  • STEP 8: REPEAT STEP 9 UNTIL j <= space.
  • STEP 9: PRINT " " and SET J=J+1
  • STEP 10: SET j=1
  • STEP 11: REPEAT STEP 12 and 13 UNTIL j<=lines
  • STEP 12: IF j <=(lines-i). PRINT j ELSE PRINT *
  • STEP 13: SET j=j+1
  • STEP 14: DECREMENT j by 1
  • STEP 15: REPEAT STEP 16 and 17 UNTIL j>0
  • STEP 16: IF j>( lines-i ) then PRINT * ELSE PRINT j
  • STEP 17: SET j=j-1
  • STEP 18: IF (lines-i) >9 INCREMENT space by 1
  • STEP 19: PRINT new line
  • STEP 20: SET i=i+1
  • STEP 21: END

Program:

Output:

12344321
123**321
12****21
1******1
Next TopicJava Programs




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