Basic HTML version of Foils prepared Sept 6 1998

Foil 11 Java Language -- Control Flow I

From Java Tutorial 98-2: Java Language and Object Oriented Techniques CPS606 Fall Semester 1999 -- Sept 7 1999. by Geoffrey C. Fox, Nancy McCracken

application examples for Foil 11
1 if (some boolean expression) { .. }
  • else { ... } // optional else
2 Nested: if (some boolean expression) { .. }
  • else if(another boolean) { .. }
  • else { ... }
3 while (any boolean) { /* Do Stuff */ }
4 do { /* What to do */ } while (another boolean);
5 for (expression1; booleanexpression ; expression2) { ...}
  • naturally starts with expression1, applies expression2 at end of each loop, and continues as long as booleanexpression true
    • for ( int i=0; i<length(a); i++)
    • a[i] = i * i;
    • /* loop variable i is optionally declared to be local to loop as shown here. */

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