Nested For-loops

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The do-statement
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The do-statement (1)

• The do-statement is different from
  the while-statement and the for-statement in
  that
• The do-statement makes the continuation
  test after executing
• the statements in the body

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The do-statement (2)

• The keyword do announces (to the Java compiler)
  that we started an do-statement
• Following the keyword do, you can write
  (only) one statement
• The keyword while and a conditional
  clause ( LOOP-CONTINUATION-CONDITION ) follow
  the body

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Flow chart
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Example (1)
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Example (2)
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Re-writing a do-statement using a while-statement
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Coordinate system of a Canvas
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Coordinate system of a Canvas